Held in 2023
Paper last updated:
Take this paper as a timed mock test. Review your answers after you submit.
Read the paper at your pace. Open an explanation when you need it.
Select the combination of letters that when sequentially placed in the blanks of the given series, will complete the series.
L_M_NL_N_M_L_N_MN_L_M_NL
NMLMNLMLNM
NMMLNLLMNM
NMLMLNMLNL
MNLMNLMLNM
Correct answer
NMLMNLMLNM
Arrange the following words in a logical and meaningful order.
4, 2, 1, 3, 5
3, 1, 2, 4, 5
3, 1, 4, 2, 5
3, 4, 2, 5, 1
Correct answer
4, 2, 1, 3, 5
Which of the following numbers will replace the question mark (?) in the given series?
30, 35, 29, ?, 28, 37
34
33
36
35
Correct answer
34
In a certain code language, “SPYH" is coded as "1714236" and “CFOG" is coded as “14135”. How will “QTNP” be coded in that language?
14191314
15171114
15181214
13191314
Correct answer
14191314
Ritu starts from point A and drives 9 km towards South. From here, she takes a left turn and drives 8 km. She then takes a left turn, drives 3 km, turns left and drives 12 km. Finally, she takes aright turn, drives 6 km and stops at point B. How far and in which direction is point B from point A?
4 km towards East
2 km towards East
4 km towards West
2 km towards West
Correct answer
4 km towards East
Select the number from among the given options that can replace the question mark (?) in the following series.
13, 29, 34, 71, 76, 155, 160, ?
333
322
332
323
Correct answer
333
Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
23 : 536 :: 21 : ? :: 18 : 331
484
444
448
488
Correct answer
484
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
17 * 7 * 12 * 6 * 2 = 119
− × ÷ +
× − ÷ +
Correct answer
− × ÷ +
Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1, 4, 2, 5, 3
4, 1, 2, 3, 5
4, 5, 2, 3, 1
4, 2, 3, 5, 1
Correct answer
1, 4, 2, 5, 3
Which letter-cluster will replace the question mark (?) to complete the given series?
AYIN, BWLM, DUOL, ?, KQUJ
GSRK
GTRL
HSQM
HTSL
Correct answer
GSRK
Each of the seven friends, Kirti, Siya, Amita, Preeti, Deepika, Jeet and Pari, has scored different marks in an exam. Pari has scored more than Kirti but less than Siya. Deepika has scored less than Preeti but more than Amita. Kirti has scored more than Preeti but less than Pari. Siya is not the highest scorer.
Who has scored the least marks?
Pari
Siya
Amita
Jeet
Correct answer
Pari
Select the option that is related to the third term in the same way as the second term is related to the first term and the si×th term is related to the fifth term.
27 : 95 :: 11 : ? :: 9 : 23
27
31
25
34
Correct answer
27
Select the option figure which is embedded in the given figure as its part (rotation is NOT allowed).
Correct answer
Two statements are given followed by two conclusions numbered I and Il. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
All novels are textbooks.
No newspaper is a textbook.
Conclusions:
I. No novel is a newspaper.
II. Atleast some textbooks are novels.
Both conclusions I and II follow
Only conclusion II follows
Neither conclusion I nor II follows
Only conclusion I follows
Correct answer
Both conclusions I and II follow
Select the figure from the options that can replace the question mark (?) and complete the pattern.
Correct answer
‘DHL’ is related to ‘JLN’ in a certain way based on the English alphabetical order. In the same way, ‘MAC’ is related to ‘SEE’. Which of the following is related to ‘FIP’ using the same logic?
YEN
ZEO
AEN
ZEN
Correct answer
YEN
Peter departs from his home and walks 10 m towards north and then turns right and walks 36 m. He turns left and walks 5 m. Now he turns left again and walks 25 m and stops. A pole is placed exactly 15 m south from where he is standing. How far and in which direction is his house from the pole? (Assuming that all turns are 90 degree turns only.)
10 m, east
21 m, west
11 m, west
20 m, east
Correct answer
10 m, east
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 Operations on 13 such as adding/subtraction/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
(8, 4, 6)
(13, 9, 10)
(3, 11 , 2)
(2, 10, 1)
(6, 42, 4)
(7, 4 , 5)
Correct answer
(3, 11 , 2)
In a certain code language, 'MARKET' is coded as '94', and 'SHOP' is coded as '50'. How will 'ITEMS' be coded in that language?
144
61
69
66
Correct answer
144
Select the option in which the given figure is embedded (rotation is NOT allowed).
Correct answer
Select the option that represents the correct order of the given words as they would appear in an English dictionary.
1- Ostracise
2 - Ossification
3 - Otherwise
4 - Ostensible
5- Ostrich
2, 4, 5, 1, 3
2, 4, 1, 5, 3
2, 1, 5, 4, 3
2, 1, 4, 5, 3
Correct answer
2, 4, 5, 1, 3
If '×' means '−', '÷' means '+', '−' means '÷', '+' means '×', then what will be the correct answer of the following relation?
375 - 25 ÷ 3 + 5 - 5 × 2 = ?
16
15
20
18
Correct answer
16
Pointing towards a person in the photograph, Kamla said, “He is the daughter's brother of my husband's father Ashok. Ashok has only two children. How is the person in the photograph related to Kamla?
Husband’s sister’s son
Husband
Husband’s brother
Sister’s husband
Correct answer
Husband’s sister’s son
Select the option that is embedded in the given figure (rotation is NOT allowed).
Correct answer
Which of the following numbers will re place the question mark (?) in the given series?
212, 213, 215, 219, ?, 243, 275
225
237
235
227
Correct answer
225
Six students E, F, G, H, l and J are sitting around a circular table facing the centre. H is an immediate neighbour of both E and G. I is sitting third to the left of G. E is sitting second to the right of F. J is an immediate neighbour of both F and G. Who is immediate neighbour of both G and F?
E
I
J
H
Correct answer
E
Which letter-cluster will replace the question mark (?) to complete the given series?
CFWI, ?, FHTK, IIQL, MJMM
DIUI
DGVJ
EGUI
EIUJ
Correct answer
DIUI
Select the figure from the options that can replace the question mark (?) and complete the pattern.
Correct answer
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Correct answer
In a certain code language, ‘FALSE’ is written as ‘97’ and ‘MYTH’ is written as ‘46’. How will ‘LEGEND’ be written in that language?
127
119
121
115
Correct answer
127
If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark (?) in the following equation?
35 ÷ 84 × 4 – 3 + 11 = ?
83
79
87
94
Correct answer
83
If A denotes ‘÷’, B denotes ‘×’, C denotes ‘−’ and D denotes ‘+’, then what will be the value of the following equation?
90 D 121 A 11 B 10 C 90
120
100
110
90
Correct answer
120
Select the correct mirror image of the given combination when the mirror is placed at MN as shown below.
Correct answer
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 —- Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
(5, 2, 121)
(4, 3, 55)
(2, 8, 67)
(4, 2, 60)
(6, 8, 91)
(3, 1, 9)
Correct answer
(2, 8, 67)
Which of the following terms will replace the question mark (?) in the given series?
XYZV, STUQ, ?, IJKG, DEFB
NOPM
NOPO
NOPL
NOPQ
Correct answer
NOPM
In a certain code language, "ABHORRENT” is written as “TNERROHBA" and “CULINARY” is written as "YRANILUC”. How will “DELETTANTE" be written in that language?
ETNATTELED
ETNATTELDE
ELEDETANTT
EDELETTANT
Correct answer
ETNATTELED
Select the option in which the given figure is embedded (rotation is NOT allowed).
Correct answer
Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word)
Jaggery : Sugarcane :: Fabric : ?
Tailor
Suits
Yarn
Cloth
Correct answer
Tailor
Seven people, A, B, C, D, E, F and G, are sitting in a straight row, facing north. Only 1 person sits to the left of D. A is an immediate neighbour of D. Only 2 people sit between F and D. Only 3 people sit between C and G. B is not an immediate neighbour of G. Only 2 people sit between E and A.
Who sits to the immediate right of F?
A
E
B
C
Correct answer
A
Select the Venn diagram that best illustrates the relationship between the following classes.
Tables, Cupboards, Furniture
Correct answer
Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below.
(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/ vowels in the word.)
Denver : Colorado
Mysore : Karnataka
Canberra : Australia
Lucknow : Uttar Pradesh
Delhi : India
Correct answer
Mysore : Karnataka
How many triangles are there in the given figure?
10
12
14
13
Correct answer
10
Select the set in which the numbers are related in the same way as are the numbers of the given set.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 — Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
(361, 49, 266)
(225, 36, 180)
(49, 620, 300)
(289, 16, 136)
(12, 36, 48)
(256, 64, 160)
Correct answer
(49, 620, 300)
Select the word-pair in which the two words are related in the same way as are the two words in the given pair.
(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word)
Salt : Sodium
Car : Petrol
Water : Hydrogen
Leaves : Wood
Plant : Tree
Correct answer
Car : Petrol
Which letter-cluster will replace the question mark (?) to complete the given series?
ACAW, ELHA, IUOE, ?, UMCM
PNOI
PMOI
ODVI
ONOI
Correct answer
PNOI
Select the option that represents the correct order of the given words as they would appear in an English dictionary.
2, 4, 1, 3, 5
3, 2, 1, 5, 4
5, 4, 1, 3, 2
3, 4, 1, 5, 2
Correct answer
2, 4, 1, 3, 5
If
‘O ^ P’ means ‘O is the brother of P,
‘O * P’ means ‘O is the mother of P',
'O + P’ means ‘O is the husband of P’,
‘O @ P' means ‘O is the sister of P,
‘O = P' means ‘O is the son of P’, and
‘O % P’ means ‘O is the father of P’,
then how is S related to M the following expression?
S = G % H @ E + F * M
Mother’s brother
Son
Father’s father
Father's brother
Correct answer
Mother’s brother
Select the correct mirror image of the given combination when the mirror is placed at line MN as shown.
Correct answer
Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/numbers of consonants/vowels in the word)
Chaos : Peace
Deep : Intense
Mourn : Deplore
Gradual : Abrupt
Generate : Produce
Correct answer
Deep : Intense
Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants /vowels in the word)
Binocular : View :: Spoon :?
Feed
Utensil
Fork
Food
Correct answer
Feed
What are Guyots?
It is a flat topped seamount.
These are deep valleys, some comparable to the Grand Canyon.
It is a mountain with pointed summits.
These are low islands found in the tropical oceans consisting of coral reefs.
Correct answer
It is a flat topped seamount.
Patayat Sahu, who was conferred the Padma Shri in the year 2023 by the President of India for his significant contribution in the field of medicinal plants in agriculture, is from________.
Odisha
West Bengal
Chhattisgarh
Jharkhand
Correct answer
Odisha
The Sangeet Natak Akademi gives fellowships to eminent artists. Gopika Varma received it for Mohiniyattam which is a dance form of which state?
Karnataka
Andhra Pradesh
Kerala
Tamil Nadu
Correct answer
Karnataka
Which of the following energy resources is also known as Liquid Gold?
Petroleum
Natural Gas
Coal
Uranium
Correct answer
Petroleum
What type of compound is formed when one hydrogen atom in ammonia is substituted by an alkyl or aromatic group?
Secondary amine
Carboxylic acid
Primary amine
Ketone body
Correct answer
Secondary amine
In June 2022, who became the first Indian to be recognised as the Global Sustainable Development Goal (SDG) Pioneer for water stewardship by the United Nations Global Compact (UNGC)?
Ramkrishna Mukkavilli
Rajendra Singh
Amla Ruia
Ayyappa Masagi
Correct answer
Ramkrishna Mukkavilli
Which of the following is associated with Atoll?
It is made up of two mountain chains separated by a large depression
Low islands found in the tropical oceans consisting of coral reefs
It is a seamount with a flat top
Ocean basins with gently sloping terrain
Correct answer
It is made up of two mountain chains separated by a large depression
In October 2021, MUDRA Toolbox was launched by the ________ in five Indian languages.
Indian Council of Medical Research (ICMR)
Indian Council of Social Science Research (ICSSR)
Indian Council of Historical Research (ICHR)
Indian Agricultural Research Institute (ICAR)
Correct answer
Indian Council of Medical Research (ICMR)
Match the column-A with column-B.
| Column-A (Block Periodic Table) | Column-B (Elements) | ||
|---|---|---|---|
| (a) | s-block | (i) | La |
| (b) | p-block | (ii) | Cu |
| (c) | d-block | (iii) | Al |
| (d) | f-block | (iv) | Na |
a - iii, b - iv, c - ii, d - i
a - i, b - iii, c - ii, d - iv
a - iv, b - iii, c - ii, d - i
a - i, b - ii, c - iii, d - iv
Correct answer
a - iii, b - iv, c - ii, d - i
What does the ‘Print Range’ option allow you to do when printing a document?
Add header and footer information to the printed pages
Choose the specific pages or range of pages to be printed
Adjust the size of the printed document to fit on a specific number of pages
Print the document with different fonts and styles
Correct answer
Add header and footer information to the printed pages
Who among the following attacked Gujarat and plundered the Somnath Temple in the 11th century?
Ahmad Shah Abdali
Qutubuddin Aibak
Mahmud of Ghazni
Muhammad Bin Qasim
Correct answer
Ahmad Shah Abdali
To which of the following gharanas of music did Ustad Amir Khan, a renowned vocalist, belong?
Agra
Jaipur-Atrauli
Rangeela
Indore
Correct answer
Agra
According to the Centre for Monitoring Indian Economy (CMIE), in which state of India was the unemployment rate recorded as 0.1%, as of September 2022?
Chhattisgarh
Tamil Nadu
Madhya Pradesh
Uttarakhand
Correct answer
Chhattisgarh
Which of the following Buddhist sites is NOT found in the Vengi region of Andhra Pradesh?
Nagarjunkonda
Amaravati
Chaukhandi
Jagayyapetta
Correct answer
Nagarjunkonda
In which year was the Television (TV) service started in India?
1968
1959
1986
1975
Correct answer
1968
Electric field can be defined as:
energy per unit charge
force per unit current
energy per unit current
force per unit charge
Correct answer
energy per unit charge
When did Bhagat Singh and Batukeshwar Dutt throw the bombs inside the Central Assembly in Delhi?
8 April 1929
8 January 1929
8 March 1929
8 May 1929
Correct answer
8 April 1929
Match the following columns.
| Column-A | Column-B | ||
|---|---|---|---|
| i. | Fat | a. | Sugar |
| ii. | Protein | b. | Calcium and Sodium |
| iii. | Carbohydrate | c. | Amino acid |
| iv. | Minerals | d. | Glycerol and fatty acid |
i-c, ii-d, iii-a, iv-b
i-b, ii-a, iii-d, iv-c
i-a, ii-b, iii-c, iv-d
i-d, ii-c, iii-a, iv-b
Correct answer
i-c, ii-d, iii-a, iv-b
According to the Census of India 2011, what is the sex ratio of Daman and Diu?
618
518
818
718
Correct answer
618
Which of the following adulterants is mixed with sunflower oil and sesame oil to increase their quantity?
Mustard oil
Lentil oil
Rhodamine
Argemone oil
Correct answer
Mustard oil
Which of the following Acts is regarded as the precursor to the Indian Constitution?
Government of India Act of 1909
Government of India Act of 1945
Government of India Act of 1919
Government of India Act of 1935
Correct answer
Government of India Act of 1909
Which of the following is the largest phylum of animalia?
Mollusca
Annelida
Chordata
Arthropoda
Correct answer
Mollusca
Name the project which was launched for tackling the increasing HIV prevalence in the eight North-Eastern states.
Mission Aware
Mission Sampark
Project Sunrise
Project Empower
Correct answer
Mission Aware
The boundary line separating one drainage basin from another is called _________.
terrace
flood plain
peneplain
watershed
Correct answer
terrace
Which of the following measures of money supply is considered most liquid?
M2
M4
M3
M1
Correct answer
M2
The first Bose-Einstein Condensate (BEC) made of which atom was reported by the team of Eric Cornell and Carl Wieman in 1995?
87Rb
137Cs
90Sr
228Ra
Correct answer
87Rb
Which of the following is a type of shield volcano that is large (up to several 1,000 m high and 200 km across) but NOT steep (usually 2° to 10°) and their magma is almost always mafic?
Mount Etna, Sicily
Mount Fuji, Japan
Kilauea volcano, Hawaii
Aguilera, Chile
Correct answer
Mount Etna, Sicily
Where was India House founded in the UK?
Bristol
London
Edinburgh
Manchester
Correct answer
Bristol
What is the total outlay for extended period of Comprehensive Handicrafts Cluster Development Scheme, which has been extended till FY 2026?
Rs. 100 crore
Rs. 120 crore
Rs. 160 crore
Rs. 140 crore
Correct answer
Rs. 100 crore
Select the correct pair of Indian classical dancers of Odissi style.
Meenakshi Sundaram Pillai and Savitha Sastry
Sujata Mohapatra and Madhavi Mudgal
Mallika Sarabhai and Shobha Naidu
Amala Shankar and Singhajit Singh
Correct answer
Meenakshi Sundaram Pillai and Savitha Sastry
Which of the following is NOT included in fundamental duties?
Respect the national flag and the national anthem
Focus on personal development and individual activities only
To value and preserve the rich heritage of our composite culture
To uphold and protect the sovereignty, unity and integrity of India
Correct answer
Respect the national flag and the national anthem
President of India, Droupadi Murmu met President of Republic of Suriname, ______ on the sidelines of the 17th Pravasi Bharatiya Divas Convention at Indore, Madhya Pradesh on 10 January 2023.
Johan Kraag
Ronald Venitiaan
Desi Bouterse
Chandrikaprasad Santokhi
Correct answer
Johan Kraag
How are resources divided on the basis of status of development?
Biotic and abiotic
Renewable and non-renewable
Potential, developed, stock, and reserves
Individual, community, national and international
Correct answer
Biotic and abiotic
Pandit Shambhu Maharajis a renowned ________ dancer.
Sattriya
Odissi
Kathak
Kuchipudi
Correct answer
Sattriya
Which of the following is an intermediate goods industry?
Manufacturing of Cars
Manufacturing of tools
Manufacturing of plants and machineries
Manufacturing of refrigerators
Correct answer
Manufacturing of Cars
The Manusmriti, one of the best-known legal texts of early India, is written in ______.
Pali
Sanskrit
Hindi
Prakrit
Correct answer
Pali
Which of the following items may NOT be treated as an intermediary good?
Maida produced in a flour mill
Maida used in a biscuit factory
Maida used in a house to make paratha
Maida used to produce bread in a bakery
Correct answer
Maida produced in a flour mill
Protection of _______ is the fundamental duty of an Indian citizen.
holy scriptures
children and old people
villages
wildlife
Correct answer
holy scriptures
Who among the following is NOT part of the Goods and Services Tax Council of India?
Lieutenant Governors of Union Territories
Union Finance Minister
Union Minister of State in charge of Revenue or Finance
The Minister in-charge of Finance of each state or any other minister nominated by state government
Correct answer
Lieutenant Governors of Union Territories
Who was the Governor-General during the Anglo-Nepal war?
Lord Auckland
Lord Hardinge
Lord Wellesley
Lord Hastings
Correct answer
Lord Auckland
In which city will the 2024 Summer Olympic Games be held?
Beijing
Berlin
Paris
Brishane
Correct answer
Beijing
_______ Central Administrative Tribunal benches exist all over India, as of December 2022.
17
16
19
18
Correct answer
17
According to the Global Multidimensional Poverty Index 2022, around _______ people in India climbed out of poverty between 2005-06 and 2019- 21.
315 million
415 million
500 million
450 million
Correct answer
315 million
Which of the following is an example of a homeothermic animal?
Salamander
Cobra
Tortoise
Penguin
Correct answer
Salamander
In which of the following games is the term 'header' associated?
Badminton
Football
Cricket
Hockey
Correct answer
Badminton
Which of the following factors are responsible for spoilage of stored food?
Low temperature and very high pressure
High temperature and pressure
Moisture and humidity that can allow microbial growth
High salt and spice content
Correct answer
Low temperature and very high pressure
Which of the following factors is a geographical factor that affects the distribution of the population in India?
Industrialisation
Climate
Minerals
Urbanisation
Correct answer
Industrialisation
What is the primary objective of cybersecurity?
To enhance internet connectivity
To prevent unauthorised access and data breaches
To protect computers from physical damage
To create new software applications
Correct answer
To enhance internet connectivity
What is the correct sequence of the zones of a pond ecosystem from the bottom to top?
Hypolimnion-Thermocline-Epilimnion
Litoral-Thermocline-Epilimnion
Hypolimnion-Thermocline-Litoral
Epilimnion -Hypolimnion-Thermocline
Correct answer
Hypolimnion-Thermocline-Epilimnion
According to the Ministry of Textiles, Government of India (2022-23), which fiber crop is the major producer in Gujarat, Maharashtra and Telangana?
Jute
Cotton
Natural Silk
Hemp
Correct answer
Jute
The value of the gross stage efficiency and Blade efficiency of the single stage of the impulse turbine are 65% and 78% respectively then the value of the nozzle efficiency will be
83.33%
50%
100%
50.7%
Correct answer
83.33%
Which of the following statements is INCORRECT about the Benson boiler?
The Benson boiler is heavier than other boilers.
Benson boilers can be switched on very quickly.
In Benson boilers, drums are not used.
The average operating pressure for the Benson boiler is higher than 200 bar.
Correct answer
The Benson boiler is heavier than other boilers.
The process of pushing the heated billet or slug of metal through an die orifice, thus forming an elongated part of a uniform cross-section corresponding to the shape of the die orifice is known as ________
Extrusion process
Rolling process
Drawing process
Machining process
Correct answer
Extrusion process
Which of the following statements is correct about water-tube and fire-tube boilers?
In case of water tube boilers, hot gases flow in the tubes.
In case of firetube boilers, hot gases are surrounded over the tubes.
In case of firetube boilers, water flows in the tubes.
In case of fire-tube boilers, hot gases flow in the tubes.
Correct answer
In case of water tube boilers, hot gases flow in the tubes.
The figure shows the P-V diagram of the ____.
open cycle gas turbine
steam engine
otto cycle
steam turbine
Correct answer
open cycle gas turbine
What is the value of the density of water at 4°C?
10 gm/cm3
1000 gm/cm3
1 gm/cm3
100 gm/cm3
Correct answer
10 gm/cm3
A closed vessel contains 5 kg of air, and 50 kJ of heat is given to it. If 75 kJ of work is done by the system, then which of the following is true?
(Take Cp = 1.005 kJ/kg-K, Cv = 0.718 kJ/kg-K)
The temperature of the air will increase by 7°
The temperature of the air will decrease by 7°
The temperature of the air will increase by 5°
The temperature of the air will decrease by 34.8°
Correct answer
The temperature of the air will increase by 7°
Which of the following turbine has 50% degree of reaction?
Curtis turbine
Hero's Turbine
Rateau turbine
Parson's turbine
Correct answer
Curtis turbine
If difference of axial components of velocity at inlet and outlet of a de-Laval turbine is found to be 120 m/s and mass flow rate of steam is 7 kg/s then axial thrust on the rotor is
840 N
17.14 N
7 N
120 N
Correct answer
840 N
The amount of water striking the runner of the reaction turbine is controlled by
draft tube
spear arrangement
casing
guide mechanism
Correct answer
draft tube
What is the unit of measurement of actual evaporation in steam boilers?
kg fuel bunt / kg water evaporated
m3/kg
kg water evaporated / kg fuel burnt
kg
Correct answer
kg fuel bunt / kg water evaporated
A closed system undergoes a process in which the work done by the system is 100 J and the internal energy decreases by 50 J. According to the first law of thermodynamics, what is the amount of heat transferred into or out of the system?
150 J
50 J
-150 J
-50 J
Correct answer
150 J
Which of the following is the correct expression for pressure intensity?
P = ρgh
P = 0.5 ρgh
P = 2 ρgh
P = 1.5 ρgh
Correct answer
P = ρgh
In the context of work done of turbine, the power developed by the runner depends on which of the following parameters?
Velocity at the exit of draft tube
Blade velocity
Whirl and blade velocities
Whirl velocity only
Correct answer
Velocity at the exit of draft tube
What will be the atmospheric pressure at a location where the barometric reading is 750 mm Hg and the gravitational acceleration is g = 9.81 m/s2? Assume the density of mercury to be 13,600 kg/m3.
10.006 kPa
100.06 Pa
100.06 kPa
1000.6 Pa
Correct answer
10.006 kPa
The evaporation of feedwater at 100°C into dry and saturated steam at 100°C at atmospheric pressure is known as ______.
actual evaporation
boiler efficiency
boiler horsepower
equivalent evaporation
Correct answer
actual evaporation
Which of the following is the correct item for Double Volute in centrifugal pumps?
Flow separation does not take place
Flow is separated into two equal streams by two-cut waters that are 90° apart
Flow is separated into two unequal streams by two-cut waters that are 90° apart
Flow is separated into two equal streams by two-cut waters that are 180° apart
Correct answer
Flow separation does not take place
The bent tube of a Bourdon tube pressure gauge will change its shape when exposed to variations of _______.
resistance
voltage
pressure
displacement
Correct answer
resistance
In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in:
absorber
evaporator
heat exchanger
condenser
Correct answer
absorber
The difference in low temperature cascade condenser temperature and high temperature cascade evaporator temperature is called ______
degree of superheat
temperature overlap
average temperature
degree of subcooling
Correct answer
degree of superheat
If the cutter and workpiece movements are in opposite directions, the milling process is known as -
Up milling
Down milling
Face milling
Side milling
Correct answer
Up milling
In actual air-conditioning applications for R-12 and R-22 refrigerant and operating at a condenser temperature of 40°C and an evaporator temperature of 5°C, the heat rejection factor is about:
1.125
2.15
1
5.12
Correct answer
1.125
The pressure intensity at a point in a fluid is given as 3.924 N/cm2. What will be the corresponding height of fluid when the fluid is water?
4 m of water
3.5 m of water
6 m of water
2.5 m of water
Correct answer
4 m of water
If the line of stroke of a follower passes through the centre of rotation of a cam, then the cam is called ______.
oscillating cam and follower
globoidal cam
radial cam
offset cam
Correct answer
oscillating cam and follower
Scavenging phenomenon occurred in Two-stroke IC engine when
Both transfer Port and exhaust port are opened for a while simultaneously
Both transfer port and exhaust port are fully closed
Both inlet and outlet Valve are opened for a while simultaneously
Both inlet and outlet Valve are fully closed
Correct answer
Both transfer Port and exhaust port are opened for a while simultaneously
Which of the following statements is correct regarding governor?
It controls acceleration of the prime mover.
It controls the temperature of the prime mover.
It controls the mean speed of the prime mover.
It is not a compulsory device of the prime mover.
Correct answer
It controls acceleration of the prime mover.
On the stress-strain diagram, the material obeys Hooke's law till:
upper yield point
point of ultimate stress
lower yield point
elastic limit
Correct answer
upper yield point
Which of the following statements is true about hot working process?
All hot working processes must be done above local environment temperature.
Hot working process of tin is also a cold working process.
It is a process of working above recrystallisation temperature of the materials.
It is a process of working above room temperature.
Correct answer
All hot working processes must be done above local environment temperature.
The point of intersection of the line of action of the resultant hydrostatic force and the submerged surface is called _____.
centre of mass
centre of gravity
centre of buoyancy
centre of pressure
Correct answer
centre of mass
The continuity equation \(\rm \frac{\partial u}{\partial x}+ \frac{\partial v}{\partial y}=0\) is valid for a _____.
unsteady, 2D, compressible flow
steady, 2D, compressible flow
steady, 2D, incompressible flow
unsteady, 2D, incompressible flow
Correct answer
unsteady, 2D, compressible flow
According to _______, the intensity of pressure in a liquid at rest is constant in all directions.
Newton's law
Boyles law
hydrostatic law
Pascal's law
Correct answer
Newton's law
Which of the following statements is correct about the forced-draught fan used in steam boilers?
The power required by an induced-draught fan is equal to that required by a forced-draught fan for the same amount of draught.
The power required by an induced-draught fan is less than that required by a forced-draught fan for the same amount of draught.
The power required by an induced-draught fan is greater than that required by a forced-draught fan for the same amount of draught.
The power required by an induced-draught fan may be greater than or less than that required by a forced-draught fan for the same amount of draught.
Correct answer
The power required by an induced-draught fan is equal to that required by a forced-draught fan for the same amount of draught.
A solid circular shaft of diameter d is subjected to the twisting moment T. Which of the following relations can be used to determine the stress developed in the shaft?
\(\rm \tau=\frac{16T}{\pi d^3}\)
\(\rm \tau=\frac{32T}{\pi d^3}\)
\(\rm \tau=\frac{128T}{\pi d^3}\)
\(\rm \tau=\frac{64T}{\pi d^3}\)
Correct answer
\(\rm \tau=\frac{16T}{\pi d^3}\)
In which of the following cycles does heat addition NOT take place at constant volume?
Lenoir cycle
Dual cycle
Otto cycle
Diesel cycle
Correct answer
Lenoir cycle
An impulse turbine is running at 1000 rpm with a net head 600 m. If the discharge through the nozzle is 0.1 m3/s, then what will be the power available at the nozzle? Take g = 10 m/s2.
450 kW
600 kW
525 kW
700 kW
Correct answer
450 kW
Which of the following is NOT the part of venturimeter setup?
Throat
Float
Converging part
Diverging part
Correct answer
Throat
Ammoniais NOT used in domestic refrigeration and comfort air-conditioning because:
Its heat transfer coefficient is very low
it is toxic and flammable
lubricating oil is not soluble in ammonia at all
it is not soluble in water
Correct answer
Its heat transfer coefficient is very low
If the temperature of 'A' is equal to the temperature of 'B' and 'C’, then the temperature of 'B' will be equal to the temperature of 'C'. This is known as:
Joule’s law
law of thermal equilibrium
law of equality of temperature
zeroth law of thermodynamics
Correct answer
Joule’s law
The SI unit of specific heat is:
J/kg
Jkg/K
J/kg K
JK/kg
Correct answer
J/kg
In case of dual cycle of an IC engine, heat addition is ________
only an isobaric process
anisentropic process
both an isochoric and an isobaric process
only an isochoric process
Correct answer
only an isobaric process
Which of the following evaporators are also known as prime-surface evaporators?
Shell-and-tube evaporators
Finned-tube evaporators
Plate evaporators
Bare-tube coil evaporators
Correct answer
Shell-and-tube evaporators
In which percentage generally is lubricating oil mixed with the fuel, which is then inducted into the carburettor in a mist lubricating system?
40% to 50%
30% to 40%
3% to 6%
Zero
Correct answer
40% to 50%
Which of the following point angles of a twist drill is used for general purpose work?
128°
118°
108°
138°
Correct answer
128°
The function of an air pre-heater is _________
to decrease the temperature of air after entering the furnace
to increase the temperature of air after entering the furnace
to decrease the temperature of air before entering the furnace
to increase the temperature of air before entering the furnace
Correct answer
to decrease the temperature of air after entering the furnace
What will be the specific weight of one litre of petrol of specific gravity 0.7? (Take g = 9.81 m/sec2)
5436 N/m3
6867 N/m3
7286 N/m3
6256 N/m3
Correct answer
5436 N/m3
Which of the following statements related to rope drives is INCORRECT?
It is used to transmit power only for shorter distances.
Rope drives have high mechanical efficiency.
Shafts do not require exact alignment.
It has good crushing resistance.
Correct answer
It is used to transmit power only for shorter distances.
Which fluid is used to increase the rate of evaporation of the liquid ammonia passing through the evaporator in domestic Electrolux refrigeration system?
Water
Ammonia
Mercury
Hydrogen
Correct answer
Water
Which of the following equations is used to calculate major losses in pipes?
Continuity equation
Momentum equation
Darcy-Weisbach equation
Reynolds’s equation
Correct answer
Continuity equation
Which of the following about work transfer is NOT correct?
Work is given by the area under the curve on pV diagram in case of non-flow process.
Work transfer is a boundary phenomenon.
Work transfer is a thermodynamic property.
Work is a transient phenomenon.
Correct answer
Work is given by the area under the curve on pV diagram in case of non-flow process.
0.2 m3 of an ideal gas at the pressure of 2 MPa and 600 K is expanded isothermally to 5 times the initial volume. Itis then cooled to 300 K at constant volume and then, compressed back polytropically to its initial state. The pressure just after the constant volume process is _______.
0.2 MPa
2.0 MPa
0.8 MPa
0.4 MPa
Correct answer
0.2 MPa
Match the types of refrigerants with their representations.
| Type of Refrigerant | Representation | ||
|---|---|---|---|
| 1. | CFC refrigerants | a. | R-22 |
| 2. | HFC refrigerants | b. | R-11 |
| 3. | HC refrigerants | c. | R-134a |
| 4. | HCFC refrigerants | d. | R-290 |
1 - a, 2 - c, 3 - d, 4 - b
1 - a, 2 - d, 3 - b, 4 - c
1 - b, 2 - d, 3 - c, 4 - a
1 - b, 2 - c, 3 - d, 4 - a
Correct answer
1 - a, 2 - c, 3 - d, 4 - b
In the Bell-Coleman refrigeration cycle, the temperature of the refrigerant is maximum at the:
end of constant pressure cooling process
end of isentropic expansion
end of isentropic compression
start of isentropic compression
Correct answer
end of constant pressure cooling process
The reversible adiabatic process in Mollier chart is represented by ________
a line parallel to the saturated vapour line
a vertical line
a horizontal line
a line parallel to the saturated water line
Correct answer
a line parallel to the saturated vapour line
Which of the following equations is NOT used in deriving the expression for discharge through the steam nozzle?
Continuity equation
Newton's equation of viscosity
Momentum equation
Steady flow energy equation
Correct answer
Continuity equation
A workpiece is taper turned using lathe, where large diameter of workpiece is D and small diameter d. If the length of this workpiece is L, then half angle a is given by:
\(\rm \tan \alpha=\frac{(D-d)}{2L}\)
\(\rm \tan \alpha=\frac{(D-d)}{3L}\)
\(\rm \tan \alpha=\frac{(D-d)}{L}\)
\(\rm \tan \alpha=\frac{(D-d)}{4L}\)
Correct answer
\(\rm \tan \alpha=\frac{(D-d)}{2L}\)
In a Carnot cycle, ________
only isothermal processes are reversible
all processes are irreversible
all processes are reversible
only adiabatic processes are reversible
Correct answer
only isothermal processes are reversible
What pressure head of kerosene of specific gravity 0.8 will be equivalent to a pressure head of 100 m of water?
125 m
100 m
120 m
110 m
Correct answer
125 m
Which of the following is a suitable unit for measuring the capacity of refrigeration?
kg
TR
kJ
Kw/kg
Correct answer
kg
Latent heat of vaporisation is NOT the _______.
heat required for complete conversion of saturated liquid into dry saturated vapour
heat required for complete conversion of ice into water
heat added at constant temperature of 100°C to convert water into steam
sum of internal latent heat and external work of evaporation
Correct answer
heat required for complete conversion of saturated liquid into dry saturated vapour
Which of the following statements about equilibrium is correct?
Summation of all the forces acting in all the possible directions must be non-zero.
Summation of all the forces acting in all the possible directions must be zero.
Summation of all the forces acting in one direction must be zero.
Summation of all the forces acting in one direction must not be zero.
Correct answer
Summation of all the forces acting in all the possible directions must be non-zero.
In the given T-S diagram of Otto cycle, which of the following processes is a heat addition process?
2-3
1-2
4-1
3-4
Correct answer
2-3
The correct expression for the dimensional formula of volumetric discharge in the fluid equations is given by ______.
L3T-1
L3T-3
L3T-2
L2T-1
Correct answer
L3T-1
The unit of density in FPS (Foot Pound System) is given by:
lb/ft3
lb/ft2
lb/ft1
Lb2/ft3
Correct answer
lb/ft3
In the boiler mountings, the blow-off cock is fitted at ______.
the top of the boiler shell
the middle of the boiler shell
the bottom of the boiler shell
near the steam supply line
Correct answer
the top of the boiler shell
A thermometer works on the principle of _______.
2nd |aw of thermodynamics
Joules law
3rd Jaw of thermodynamics
Zeroth law of thermodynamics
Correct answer
2nd |aw of thermodynamics
The velocity of flow between two adjacent streamlines is inversely proportional to the:
specific weight
volume flow rate
circulation
spacing of the streamlines
Correct answer
specific weight
Functionality of nozzle is that, ________
It produces steam at very low pressure
It produces steam jet at very high pressure
It produces steam jet at very high velocity
It produces steam at very low velocity
Correct answer
It produces steam at very low pressure
Which of the following is NOT a type of steam separator?
Reciprocating type
Impact or baffle type
Centrifugal type
Reverse current type
Correct answer
Reciprocating type
If the C.O.P. of 1 TR ammonia-water absorption refrigeration plant is 0.5, then the heat supplied in the generator is (1 TR = 3.51 kw)
10.5 kW
1.5 kW
7 kW
3.5 kW
Correct answer
10.5 kW
Which of the following is NOT an example of brittle material?
High carbon steel
Aluminium
Ceramic materials
Cast iron
Correct answer
High carbon steel
A Kaplan turbine has an outside diameter of runner and hub diameter as 4 m and 2 m, respectively. If the velocity of flow at inlet is 8 m/s, then what will be the discharge passing through the turbine?
68 m3/s
6.8 m3/s
7.536 m3/s
75.36 m3/s
Correct answer
68 m3/s
Which one of the following is correct statement about Blade cross sectional fluid flow area from inlet to outlet of a turbine?
Constant for impulse turbine and diverging for reaction turbine
Constant for reaction turbine and converging for impulse turbine
Constant for impulse turbine and converging for reaction turbine
Constant for reaction turbine and diverging for impulse turbine
Correct answer
Constant for impulse turbine and diverging for reaction turbine
For the same temperature limit, which of the following cycles has maximum efficiency?
Otto cycle
Carnot cycle
Normal Stirling cycle
Diesel cycle
Correct answer
Otto cycle
Which of the following types of simple manometers measures the gauge pressure of only incompressible fluids?
Piezometer
Single column manometer
U-tube manometer
Differential U-tube manometer
Correct answer
Piezometer
Which among the following options has same thermal efficiency under ideal conditions (Operate within the same temperature)?
Carnot and dual cycle
Carnot cycle and Stirling cycle
Carnot cycle and Otto cycle
Carnot cycle and Brayton cycle
Correct answer
Carnot and dual cycle
Which of the following ideal gas processes has the highest polytropic index?
Isentropic process
Isochoric process
Isothermal process
Isobaric process
Correct answer
Isentropic process
Which of the following is the advantage of axial flow pump?
Low volumetric discharge
Medium discharge pressure
High head
High volumetric discharge
Correct answer
Low volumetric discharge
In two-stroke petrol engine, the air Fuel mixture is prepared
Inside the Transfer Port
Inside the carburetor and Inside the cylinder
Inside the carburetor but outside the cylinder
Inside the Crank case chamber
Correct answer
Inside the Transfer Port
What will be the ratio of the pressure intensities of two fluids, one with a liquid column of 0.4 m of water and the other with a liquid column of 0.2 m of an oil of specific gravity 0.8?
\(\frac{3}{2}\)
2
\(\frac{7}{2}\)
\(\frac{5}{2}\)
Correct answer
\(\frac{3}{2}\)
A cantilever beam carries a uniformly distributed load over a span of 1 m as shown in the figure below. The reactive moment at point A is _____.
30 kN-m
0 kN-m
10 kN-m
5 kN-m
Correct answer
30 kN-m
For a laminar flow through a circular pipe, the wall shear stress across a section is a function of _______
the pressure gradient \(\rm \frac{dp}{dz}\) and the radial coordinate r
the pressure gradient \(\rm \frac{dp}{dz}\) and the radius r
the pressure gradient \(\rm \frac{dp}{dz}\) and the axial velocity Vz
only the pressure gradient \(\rm \frac{dp}{dz}\)
Correct answer
the pressure gradient \(\rm \frac{dp}{dz}\) and the radial coordinate r
If head imparted by impeller to water is equal to manometric head, then the manometric efficiency of the centrifugal pump will be:
75%
50%
100%
0%
Correct answer
75%
If the pressure intensity at a point in a fluid is given as 2.7 N/cm2, then what will be the pressure head of oil of specific gravity 0.9 at that point? Take g = 10 m/s2.
3 mm of oil
3 m of oil
3 cm of oil
30 cm of ail
Correct answer
3 mm of oil
If 5 litres of a certain oil weighs 30 N, then what will be the specific weight of that oil?
6000 N/m3
3000 N/m3
600 N/m3
300 N/m3
Correct answer
6000 N/m3
A circular opening, 3 m diameter, in a vertical side of a tank is closed by a disc of 3 m diameter which can rotate about a horizontal diameter and depth of centre of gravity from free surface is 4 m. What will be the total pressure on the disc?
277.4 kN
175.7 kN
234.89 kN
100 kN
Correct answer
277.4 kN
Water is flowing steadily at a velocity of 20 m/s through a pipe of diameter 0.2 m. The pressure and elevation at point X are 400 kN/m2 and 32 m, respectively, while those at another point Y are 300 kN/m2 and 34 m, respectively. What will be the head loss between the points X and Y?
Take g = 10 m/s2.
6 m
8 m
4 m
10 m
Correct answer
6 m
In Bell-Coleman Cycle, the pressure at the end of isentropic compression is same as:
the pressure in constant pressure expansion
the pressure at the start of isentropic expansion
the pressure at the end of isentropic expansion
the pressure at the start of isentropic compression
Correct answer
the pressure in constant pressure expansion
Which of the following is NOT a merit of dead weight safety valve?
It is a good choice for low-pressure vessels
Suitable for high pressure boiler
Gives satisfactory performance during operation
Simplicity of design
Correct answer
It is a good choice for low-pressure vessels
If the manometric efficiency and mechanical efficiency of a centrifugal pump are 70% and 80%, respectively, then the overall efficiency will be:
40%
56%
80%
75%
Correct answer
40%
The dimensional formula for specific gravity is given by:
M1L0T1
M1L1T0
M0L0T0
M0L1T1
Correct answer
M1L0T1
Which of the following is a forced circulation type of boiler?
Cochran boiler
Lancashire boiler
LaMont boiler
Babcock & Wilcox boiler
Correct answer
Cochran boiler
Which of the following is an isochoric process?
Heat is supplied during evaporation.
Heat supplied is zero.
Heating of steam in a closed rigid vessel.
Heating of steam in a cylinder containing a sliding piston.
Correct answer
Heat is supplied during evaporation.
Which of the following statements holds true, according to Kelvin Planck’s statement?
Some amount of heat taken from a source must be rejected to a higher temperature sink.
Perpetual motion machine of the 2nd kind is impossible.
It restricts the engine to have mechanical efficiency lesser than unity.
A heat engine must exchange heat from a single heat reservoir.
Correct answer
Some amount of heat taken from a source must be rejected to a higher temperature sink.
The ratio of the actual mass flow rate to that due to isentropic expansion in the steam nozzle is known as _______.
coefficient of discharge
Mach number
critical pressure ratio
nozzle efficiency
Correct answer
coefficient of discharge
What is the main function of the condenser in a Rankine cycle power plant?
To decrease the efficiency of the cycle
To condense the steam till it transforms into saturated liquid
To increase the temperature of the cooling water
To increase the pressure of the steam
Correct answer
To decrease the efficiency of the cycle
The direction of the friction force is:
in the opposite direction of motion of the body or in the opposite direction of the tendency to move
in the perpendicular direction of the motion of the body
in the inclined direction of the motion of the body
in the direction of motion of the body
Correct answer
in the opposite direction of motion of the body or in the opposite direction of the tendency to move
Heat addition during the constant pressure process is equal to ________
change in entropy
change in internal energy
specific heat
change in enthalpy
Correct answer
change in entropy
In the refrigeration system, heat rejection factor is the ratio of _______.
load on the condenser to the COP
refrigeration capacity to the work done by compressor
work done by compressor to the refrigeration capacity
heat rejected to the refrigeration capacity
Correct answer
load on the condenser to the COP
Which of the following pressure measurement devices consists of a hollow metal tube bent like a hook whose end is closed and connected to a dial indicator needle?
Piezoelectric transducers
Strain-gauge pressure transducers
Bourdon tube
Pressure transducers
Correct answer
Piezoelectric transducers
If the lower temperature fixed by the refrigeration application is high, the C.O.P. of the Carnot refrigerator will be ________
less
very less
the same
high
Correct answer
less
200 questions in the full paper