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Name the scientist who discovered bacteria ?
Robert Koch
James Chadwick
Eugen Goldstein
A V Leeuwenhoek
Correct answer
Robert Koch
If a body has a specific gravity of less than 1, then it will float in/on ___________.
air
water
liquids
mercury
Correct answer
air
Which of the following options does not have an SI base unit?
Amount of substance
Frequency
Luminous intensity
Electric current
Correct answer
Amount of substance
How many medals did India win in Rio Olympics, 2016?
3
4
2
5
Correct answer
3
It is mainly due to the gravitational effect of the __________ on the rotating earth that the level of water in the sea rises and falls.
Venus
Mercury
Moon
Sun
Correct answer
Venus
Two resistance of 2Ω and 6Ω are connected in series and this combination is connected across a 12 V battery. Find the current in the 6Ω resistor.
3.5 A
0.5 A
2.5 A
Correct answer
3.5 A
Substances that are broken down by biological processes are said to be _________.
reusable
non-biodegradabl
non-reusable
biodegradable
Correct answer
reusable
A software program that has been developed to harm other computers is called a/an _________.
server
LAN
malware
operating system
Correct answer
server
Kuchipudi has its roots in which Indian State?
Arunachal Pradesh
Kerala
Andhra Pradesh
Himachal Pradesh
Correct answer
Arunachal Pradesh
Which Indian cricketer received the Padma Bhushan in 2018?
MS Dhoni
Virat Kohli
Sachin Tendulkar
Saurav Ganguly
Correct answer
MS Dhoni
JPEG stands for __________.
Joint Program Experts Group
Joint Program Executing Group
Joint Photographic Experts Group
Joint Program Experimental Group.
Correct answer
Joint Program Experts Group
Two resistors, one of 12 Ω and the other of 24 Ω are connected in parallel. This combination is connected in series with a 22 Ω resistor and a 12 V battery. The current in the 12 Ω resistor is __________.
(8/15) A
(2/15) A
(6/15) A
(4/15) A
Correct answer
(8/15) A
RK Narayan is famous for his book ___________.
The Room on the Roof
Two Livers
Malgudi Days
A suitable Boy
Correct answer
The Room on the Roof
_________ protection must be worn whenever noise levels exceed the noise exposure standard.
Hearing
Head
Eye
Foot
Correct answer
Hearing
A wire of length 1 and radius r has a resistance R. The resistance of another wire made of the same material but having half its length and half its radius will be.
4R
R/2
2R
R
Correct answer
4R
Safety boots or shoes must be worn in designated areas to protect your _______ from falling objects.
eye
ear
head
feet
Correct answer
eye
A cylindrical wire of length L and radius r has a resistance of R. The resistance of another wire of the same material but thrice its length and one-third its radius will be __________.
27R
9R
R
3R
Correct answer
27R
If a body is NOT homogeneous, then its density is a function of its ___________.
pressure
acceleration
position
velocity
Correct answer
pressure
Two resistors of 10Ω and 20 Ω area connected in series and this combination is connected across a 30 V supply voltage. Find the voltage across the 10 Ω resistor.
20 V
10 V
5 V
15 V
Correct answer
20 V
Which one of these is a harvest festival?
Teej
Janmashtami
Deepawali
Onam
Correct answer
Teej
86°F is equal to __________
20°C
30°C
34°C
10°C
Correct answer
20°C
Where is the Headquarters of UNESCO located?
New York City
Geneva
Paris
Washington DC
Correct answer
New York City
Name of the painter of famous painting, ‘Mahishasura’.
MF Hussain
Amrita Sher-Gil
Raja Ravi Verma
Tyeb Mehta
Correct answer
MF Hussain
What is the work that needs to be done to increase the speed of a 1 kg ball from 2 m/s to 4 m/s?
8 J
10 J
6 J
12 J
Correct answer
8 J
The Ajanta Caves in Maharashtra feature paintings and sculptures that depict __________ tales.
Arabic
Islamic
Buddhist
Maratha
Correct answer
Arabic
The volume of a given amount of water ________ between 0°C to 4°C.
is zero
decreases
remains constant
increases
Correct answer
is zero
Two resistance of 2Ω and 6Ω are connected in series and this combination is connected across a 12 V bettery. Find the power supplied by the battery.
10 W
18 W
16 W
14 W
Correct answer
10 W
An object weighs X units on the earth. If we take the same object to the moon, its weight there will be ________.
zero
less than X
equal to X
more than X
Correct answer
zero
A body starts from rest. Its displacement is proportional to _________ when its acceleration is constant.
time squared
velocity
work
time
Correct answer
time squared
A source of voltage V maintains a current i in a circuit. The energy supplied to the circuit by the source in time t is __________.
Vit
1/Vit
Vi/t
V/it
Correct answer
Vit
Who was the first governor of the Reserve Bank of India?
Sir James Braid Taylor
KR Puri
HVR Iyengar
Sir Osborne A Smith
Correct answer
Sir James Braid Taylor
A car covers 400 m in 20 seconds. Find the average speed (in km/hr) of the car.
72
124
108
36
Correct answer
72
If sin θ = 15/17, then cot θ = ?
\(\frac{8}{{15}}\)
\(\frac{8}{{17}}\)
\(\frac{{15}}{8}\)
\(\frac{{17}}{{15}}\)
Correct answer
\(\frac{8}{{15}}\)
In an examination, the highest score and the lowest score are different by 55 and the higher one was 9/4 times the lower one. Find the lowest score.
40
36
44
48
Correct answer
40
A number is as much greater than 50 as it is lesser than 84. What is the number?
65
66
68
67
Correct answer
65
If \(x = \sqrt {125} \times \sqrt {30} \times \sqrt 6 \) , then x is equal to:
175
125
136
150
Correct answer
175
A got Rs. 80 as his share of profit where the total profit was Rs. 240 and the ratio of profit distribution between A and B was x : 2. What is the value of x?
1
4
2
5
Correct answer
1
What is the median of 8, 5, 7, 9, 11, 6, 10?
9
8
10
7
Correct answer
9
If 5050 × 0.5x = 25250, then 2505 ÷ x2 = ?
0.2505
25.05
2.505
250.5
Correct answer
0.2505
An article of marked price Rs. 12000 was sold. Had a discount of 15% been offered, a profit of 2% would have been made. What was the cost price?
Rs. 10,200
Rs. 10,000
Rs. 11,000
Rs. 10,800
Correct answer
Rs. 10,200
A sum of Rs. 2,000 was spent in buying a pair of trousers. The sum spent was 2/5th of the total money Shashi had with her. How much was the total money she had?
Rs. 4,000
Rs. 4, 250
Rs. 4, 750
Rs. 5,000
Correct answer
Rs. 4,000
A machine was bought for Rs. 1,500 and a repairing charge of Rs. 100 was paid afterwards. At what price should it be sold to gain a profit of 25%?
Rs. 2,040
Rs. 1,960
Rs. 2,000
Rs. 1, 920
Correct answer
Rs. 2,040
In angular measurement, one radian is equivalent to ________ degree (approximately).
65.27
57.27
90
180
Correct answer
65.27
A and B can do a work in 15 days. B and C can do the work in 20 days and A and C can do the work in 10 days. In how many days will they together completed the work?
10.67 days
10.91 days
10.71 days
9.23 days
Correct answer
10.67 days
Pipes A and B can fill a tank in 12 minutes and 16 minutes respectively. Both A and B are opened for 4 minutes and then A is closed. How much extra time will B take to fill the tank completely?
\(\frac{{20}}{3}\) minutes
7 minutes
\(\frac{{21}}{4}\) minutes
6 minutes
Correct answer
\(\frac{{20}}{3}\) minutes
A can do 2/5 of a work in 10 days. B can do ½ of the some work in 10 days. They worked together for 5 days and then A left. In how many days will B finish the remaining work?
8
10
11
9
Correct answer
8
Reflection of point (-2, -6) on the Y-axis is:
(2, 6)
(-6, -2)
(-2, 6)
(2, -6)
Correct answer
(2, 6)
The pie chart shows the breakup in percentage of the various expenses of a Company. Study the diagram and answer the following question.
What is the interest expense if total expenses is Rs. 25000.
Rs. 2, 500
Rs. 1, 800
Rs. 9, 000
Rs. 5, 000
Correct answer
Rs. 2, 500
A motorcycle travelled 1000 m at 36 km/hr. Find the time (in seconds) taken by the motorcycle to cover this distance.
300
100
400
200
Correct answer
300
A 4-digit number 1xy7 is divisible by 11. What is the value of x - y?
-8
-2
-4
-6
Correct answer
-8
Tap M and N can together fill a cistern in 48/13 minutes. N alone can fill it in 6 minutes. How much time will M alone take to fill the cistern?
9.6 minutes
9 minutes
9.4 minutes
8.6 minutes
Correct answer
9.6 minutes
What is the curved surface area of a hemisphere whose radius is 7 cm? (take π = 22/7)
616 cm2
154 cm2
308 cm2
924 cm2
Correct answer
616 cm2
An airplane flies at the speed of 50 m/s. How much distance (in km) will it cover in a flight of 5 hours?
895
850
880
900
Correct answer
895
What is the distance between the points (4, 3) and (3, -2)?
\(\sqrt {26} \)
\(\sqrt {24} \)
6
5
Correct answer
\(\sqrt {26} \)
sec 45° - tan 60° = ?
\( - \sqrt 3 + \sqrt 2 \)
\( - \sqrt 3 - \sqrt 2 \)
\(\frac{{\sqrt 3 }}{2}\)
\(\sqrt 3 + \sqrt 2 \)
Correct answer
\( - \sqrt 3 + \sqrt 2 \)
What is the least number which when doubled is perfectly divisible by 7, 12 and 15?
420
210
214
220
Correct answer
420
A sum of Rs. 10,000 amounts to Rs. 11, 449 in 2 years, when the interest is compounded annually. The interest rate percent per annum is:
6%
1%
7%
8%
Correct answer
6%
The ages of X and Y are in the ratio 4 : 7. Three years earlier, the ratio of their ages was 1 : 2. What is the difference between their current ages (Y - X)?
3
6
9
7.5
Correct answer
3
What is 80% of 50% of 90?
30
34
32
36
Correct answer
30
Choose the figure that is different from the rest.
Correct answer
A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
1.14, 1.28, 1.42, ?, 1.70, 1.84
1.56
1.54
1.68
1.62
Correct answer
1.56
Two planes E and F start flying from the same point. E flies 7 km west, then turns to its left and flies 15 km. Meanwhile F flies 11 km east and turns right and flies 15 km. Where is F with respect to E?
F is 18 km west of E
F is 4 km east of E
F is 18 km east of E
F is 4 km west of E
Correct answer
F is 18 km west of E
Given below are some letters, that each of these letters has a corresponding number. Select the combination of numbers from the option so that the jumbled letters arranged accordingly will form a meaningful English word.
H T R U O A
1 2 3 4 5 6
6, 4, 2, 1, 5, 3
3, 4, 5, 2, 1, 6
1, 6, 2, 4, 5, 3
2, 1, 5, 3, 4, 6
Correct answer
6, 4, 2, 1, 5, 3
I, J, K and L are sitting in a row. L and I are sitting next to each other and I and K are the ends. Who is sitting next to J?
Only K
L and I
K and L
Only L
Correct answer
Only K
Select the option that is related to the third term in the same way as the second term is related to the first term.
Tall : Short ∷ Glad : ?
Sad
Happy
Emotion
Smile
Correct answer
Sad
If, ‘+’ represents ‘×’, ‘-‘ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘-‘ then find the value of the following expression.
9 × 3 + 6 ÷ 2 = ?
20
10
12
16
Correct answer
20
If G + H means G is daughter of H, G- H means G is sister H and G * H means G is husband of H, which of the following shows that I is the daughter of H?
I – J + F * H
I + J - F * H
I – J * F + H
I * J - F + H
Correct answer
I – J + F * H
Which of the following Venn diagrams best represents the relationship between Indians, doctors and women?
Correct answer
Given below are two statement, followed by two conclusion, I and II. You have to consider the statement to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow(s) from the given statements.
Statement 1: No quadrilaterals are polygons.
Statement 2: All polygons are rhombuses.
Conclusion I: Some rhombuses are quadrilaterals.
Conclusion II: Some rhombuses are polygons.
Neither I nor II follows
Only conclusion II follows
Only conclusion I follows
Both I and II follow
Correct answer
Neither I nor II follows
Which two signs should be interchanged to make the given equation correct?
9 ÷ 3 + 8 × 2 – 15 = 2
× and -
÷ and -
Correct answer
× and -
What is the minimum number of lines required to make the given image?
13
12
10
9
Correct answer
13
A series is give, with one term missing. Choose the correct alternative from the given ones that will complete the series.
OOOOOX, OOOOXX, OOOXXX, OOXXXX, ?
XXXXXX
OOXXXXX
OOXXXX
OXXXXX
Correct answer
XXXXXX
If C $ D means C is daughter of D, C & D means C is mother of D and C % D means C is son of D, then what does W $ X & Y % Z mean?
Z is wife of W
Z is mother of W
Z is father of W
Z is daughter of W
Correct answer
Z is wife of W
Given below is a question, followed by two arguments, I and II. You have to decide which of the given arguments, if any, is a strong argument, with respect to the question.
Question: Should advertisements be banned on television?
Argument I: Yes, advertisements are immoral.
Argument II: No, advertisements bring in revenue which helps reduce cost for viewers.
Only argument II is strong.
Only argument I is strong.
Neither I nor II is strong.
Both I and II are strong.
Correct answer
Only argument II is strong.
Select the option that is related to the third number in the same way as the second number is related to the first number.
-9/11 : 11/9 ∷ 13/2 : ?
3/7
2/13
-2/13
-7/3
Correct answer
3/7
Given below is a statement followed by two assumption numbered I and II. You have to decide which of the assumptions is/are implicit in the statement.
Statement: The human body produces Vitamin D when exposed to sunlight.
Assumption I: The human body will have Vitamin D even if it is not consumed via food.
Assumption II: A large portion of the global population suffers from Vitamin D deficiency.
Both I and II are implicit
Only assumption II is implicit
Neither I nor II is implicit
Only assumption I is implicit
Correct answer
Both I and II are implicit
A salesperson starts from his office and drives 2 km east, then turns north and drives 7 km, then turns to his right and drives 6 km, then turns south and drives 7 km. Where is he now with respect to his starting position?
8 km east
4 km west
4 km east
8 km west
Correct answer
8 km east
Unscramble the letters in the words given below and find the odd word out.
FLOW
ILNO
ERTIG
WCO
Correct answer
FLOW
Find the odd group of letters from the given alternatives.
EFG
PQR
VWX
HJL
Correct answer
EFG
Choose the figure that is different from the rest.
Correct answer
In a code language, 295 means ‘water is liquid’, 549 means ‘oil is liquid’ and 824 means ‘oil on water.’ Find the code for ‘on’.
4
2
8
5
Correct answer
4
In the following figure, square represents Chinese, triangle represents dancers, circle represents male and rectangle represents architects. Which set of letters represents dancers who are male?
DEIG
DEF
IGH
GEF
Correct answer
DEIG
The abbreviation AC in an engineering drawing stands for __________.
Across Corners
Aerial Cut
Attached Circle
Air Conditioning
Correct answer
Across Corners
Greater the value of _______ of a material, the more rapidly it will conduct heat.
melting point
latent heat
regelation
thermal conductivity
Correct answer
melting point
The effort applied to move a load is 15 units and the mechanical advantage is observed to be 3. Find the load.
5 units
3 units
15 units
45 units
Correct answer
5 units
What is the unit's digit in 366 × 641 × 753
8
3
6
7
Correct answer
8
If the width of a standard engineering drawing sheet is 841 mm, then its length would be ________ mm.
1189
1250
1000
1216
Correct answer
1189
A 200 g block of iron was heated from 30°C to 60°C. How much heat was transferred to the block (specific heat of iron is 450 Jkg-1K-1)?
6000 J
27 J
2700 J
270 J
Correct answer
6000 J
If a machine overcomes a load 'L' and the distance travelled by the load is 'Ld', the work done by the load will be __________.
L × Ld
\(\rm \frac{L}{Ld}\)
\(\rm \frac{Ld}{L}\)
\(\rm \frac{1}{L \times Ld}\)
Correct answer
L × Ld
A brass rod (thermal conductivity 109 J/s m K) has an area of cross section 0.04 m2 and length 20 cm. If the two end of the rod are maintained at a temperature difference of 200°C, the rate of heat flow through the rod is ________.
3.42 kJ/s
2.32 kJ/s
4.36 kJ/s
5.80 kJ/s
Correct answer
3.42 kJ/s
The effort in a class 1 lever is in __________ direction(s).
three
multiple
two
one
Correct answer
three
The velocity ratio of a simple machine is the ratio of distance traveled by the ________ to the distance traveled by the ________ in the machine.
load; load
effort; load
load; effort
effort; effort
Correct answer
load; load
If straight lines are drawn from various points on the contour of an object to meet a plane, the figure obtained on the plane is called the _______ of the object.
development
dimensioning
projection
animation
Correct answer
development
A _______ is a theoretical exact plane, axis or point location that GD & T or dimensional tolerances are referenced to.
flange
frame
section
datum
Correct answer
flange
Molar specific heat capacity of a substance is _________.
\(\left(\frac{1}{\mu}\right)\left( \frac{\Delta Q}{\Delta T} \right) \)
\(\mu \left( \frac{\Delta Q}{\Delta T} \right)\)
\(\left(\frac{1}{\mu}\right)\left( \frac{\Delta T}{\Delta Q} \right)\)
\(\mu \left( \frac{\Delta T}{\Delta Q} \right)\)
Correct answer
\(\left(\frac{1}{\mu}\right)\left( \frac{\Delta Q}{\Delta T} \right) \)
In engineering drawing, the letters LH signifies __________.
Level Hide
Left Hand
Low Heat
Limit of Height
Correct answer
Level Hide
Identify the material having high coefficient of volume expansion.
Brass
Alcohol
Glass
Water
Correct answer
Brass
An object starts from rest at x = 0 m and moves with a constant acceleration of 1.6 m/s2 along the x-axis. During its journey from x = 12.8 m to x = 20.0 m, its average velocity will be __________.
7.2 m/s
3.6 m/s
8.8 m/s
2.4 m/s
Correct answer
7.2 m/s
You are given a question and two statements. Identify which of the statements is/are necessary/sufficient to answer the question.
Question: What was the discount percent offered on the soap by the store?
Statements:
I) The store is giving 1 soap free on purchase of three.
II) Rs. 10 discount is offered on purchase of soap worth 36.
II alone is sufficient while I alone is not sufficient
I alone is sufficient while II alone is not sufficient
Neither I nor II is sufficient
Either I or II is sufficient
Correct answer
II alone is sufficient while I alone is not sufficient
In case of arc welding, one should protect his eyes using
Dark glass screen
Mask
Safety goggles
Sun goggles
Correct answer
Dark glass screen
Bearing bushes are made up of ________
Cast Iron
White Metal
Gun Metal
Copper
Correct answer
Cast Iron
The part of the universal surface gauge which helps to draw a parallel line along a datum edge is the ________
Rocker arm
Guide pins
Snug
Fine adjusting screw
Correct answer
Rocker arm
The threads on the lead screw of a lathe are called
Acme threads
Square threads
Knuckle threads
Buttress threads
Correct answer
Acme threads
Which is closest to the purest form of the iron?
Cast Iron
Wrought Iron
Pig Iron
Steel
Correct answer
Cast Iron
Which among the following processes is employed for embedding the abrasive on the lap?
Lapping
Fixing
Charging
Rubbing
Correct answer
Lapping
A wedge-like tool which is used for removing the taper shank tools from the nose of the machine spindle, is called as _________
Drill chuck
Drill key
Drill socket
Drill drift
Correct answer
Drill chuck
A hole, which is not made through full depth of the component is known as _________?
through hole
blind hole
steeped hole
all of the above
Correct answer
through hole
Drill chucks are held on the machine spindle by means of _________.
arbor
Drift
draw-in bar
chuck nut
Correct answer
arbor
Which chisel type is used for cutting key-ways, Grooves and slots?
Flat chisel
Diamond point chisel
Cross cut chisel
Half round nose chisel
Correct answer
Flat chisel
Choose the best device to hold and locate a round bar for drilling.
'V’-block
Adjustable locator
Pin locator
Wedge type location
Correct answer
'V’-block
Name the forging operation where the length of a piece of metal is reduced and its cross sectional area is increased
Upsetting
Drifts
Drawing out
Bolster
Correct answer
Upsetting
The electrode size refers to
Diameter of its core wire
Diameter (overall) of electrode
Thickness of flux coating
Length of electrode
Correct answer
Diameter of its core wire
Parallel blocks are used for_______.
levelling machine tools
setting workpiece horizontal
cutting parallel keys
marking parallel lines along an edge
Correct answer
levelling machine tools
The straight shank drill is held in the main spindle of drilling machine by
chuck
floating holder
collet
sleeve
Correct answer
chuck
Which property of metal is called mechanical property?
conductivity
tenacity
fusibility
specific gravity
Correct answer
conductivity
The surface connecting crest and root of a thread is termed as
Depth of thread
Thread angle
Pitch
Flank
Correct answer
Depth of thread
Which one of the following is a temporary joint?
Riveted joint
Welded joint
Soldered joint
Press fit joint
Correct answer
Riveted joint
IC engine cylinder bores are finished in best way by:
Grinding
Lapping
Honing
Spot facing
Correct answer
Grinding
Clogging of workpiece material in grinding wheel means
Dressing
Trueing
Loading
Glazing
Correct answer
Dressing
Which of the following types of pulley is used in-group drives?
Solid pulley
Split pulley
Fast and loose pulley
Jockey pulley
Correct answer
Solid pulley
The creep in a belt drive is due to the
Power fluctuation
Thickness of the belt
Unequal tension in tight and slack sides of the belt
Equal size of the pulleys
Correct answer
Power fluctuation
The pattern of the work surface caused by the movement of the cutting tool is known as,
Surface texture
Roughness
Roughness spacing
Waviness
Correct answer
Surface texture
In a boring operation, the amount of 1 mm cut will increase the diameter of__ mm.
1
1.5
2
0.5
Correct answer
1
In general, which of the following is the medium used to harden the high speed steel?
Soda water
Water
Oil
Salt water solution
Correct answer
Soda water
The measuring faces of the slip gauges are finished by ______.
Honing
Lapping
Reaming
Drilling
Correct answer
Honing
The length of the sine bar is the distance between
Center-to-center distance between rollers
Out-of-distance distance between rollers.
Diagonal cross-length of sine bar
One end at the other end of the sign bar
Correct answer
Center-to-center distance between rollers
The number of fundamental tolerance in the Indian Standard System are:
16
15
18
14
Correct answer
16
Which part of a lathe machine is involved for taper turning?
Leadscrew
Cross slide
Gearbox
Carriage
Correct answer
Leadscrew
In globe valves the pressure is usually ______.
against the stem
under the seat
on the right side
on the left side
Correct answer
against the stem
In the hole basis system, the hole is kept constant & the size of the _____ is varied to get the desired fit.
Tolerance
Shaft
Hole
Fit
Correct answer
Tolerance
A slight convexity is given to the cutting edges of flat chisel to ______.
allow the lubricant to enter
cut sharp corners
prevent digging of the ends of cutting edge
cut curved surfaces
Correct answer
allow the lubricant to enter
Indexing type tool post are called _____way tool post.
Four
One
Two
Three
Correct answer
Four
Which of the following heat treatment method is generally used for reliving internal stresses of a hardened tool?
Annealing
Stabilizing
Normalizing
Tempering
Correct answer
Annealing
During marking, the reference surface is provided by _____.
work piece
bore gauge
marking-off table
sketch of the job
Correct answer
work piece
In railway carriage coupling ____ thread is used.
Square
Acme
Buttress
Knuckle
Correct answer
Square
What is the value for roughness grade no ‘ N4 ‘ in micrometres
0.025
0.05
0.1
0.2
Correct answer
0.025
The rivets are designated by _______.
head diameter only
length and diameter of rivet
length of rivet only
head shape only
Correct answer
head diameter only
A file having 20 teeth (approximately) per 1 inch is generally termed as a ______ file.
rough
second cut
dead-smooth
smooth
Correct answer
rough
Which pulley increase wrapping angle of pulley?
V-pulley
Timer pulley
Rope pulley
Jockey pulley
Correct answer
V-pulley
______ is NOT a part of a combination set.
Center head
Protractor head
Slip gauge
Square head
Correct answer
Center head
Which gauge is used for measuring diameter of a cylinder bore?
Taper plug gauge
Barometer
Telescopic gauge
Screw pitch gauge
Correct answer
Taper plug gauge
Shears are used to cut _____.
rubber sheets
G.I Wire
thick sheet
very thinned sheet
Correct answer
rubber sheets
What is the function of a “Pilot” when provided in reamer?
Removing chips
Hold in machine spindle
Finish concentric hole
Hold in tap wrench
Correct answer
Removing chips
Which lathe machine attachment is used for relief to multipoint cutting tools ______.
Milling attachment
Relieving attachment
Taper turning attachment
Grinding attachment
Correct answer
Milling attachment
A drift is used for ______.
drawing a drill location
fixing chuck on the machine spindle
removing the drill from the machine spindle
removing a broken drill from the work
Correct answer
drawing a drill location
For which purpose bed gap is maintained near head stock of lathe machine?
To reduce bed weight
To machine large diameter job
To reduce cost of the machine
To improve its aesthetics
Correct answer
To reduce bed weight
A block level can be used for checking _____.
only vertical alignment
only horizontal alignment
only angular alignment
vertical & horizontal alignment
Correct answer
only vertical alignment
Which fire extinguisher is used for controlling class ‘B’ fire?
CO2
Wood chips
Carbon tetrachloride
Water
Correct answer
CO2
_______ is a process of case hardening in which the outer layer is made hard by increasing amount of carbon.
Annealing
Normalizing
Carburizing
Tempering
Correct answer
Annealing
What is the use of hermaphrodite caliper?
Scribing parallel line to an edge.
Scribing a cycloid to an edge.
Checking diameter of a round bar.
Scribing zig-zag lines.
Correct answer
Scribing parallel line to an edge.
The number of threads per inch can be checked with a ____.
slip gauge
ring gauge
metric rule
screw pitch gauge
Correct answer
slip gauge
In the process of dressing of grinding wheels to restore sharpness is done by _____.
sharp edged H.S.S cutter
tool steel dresser
pumice stone dresser
diamond dresser
Correct answer
sharp edged H.S.S cutter
The grade of slip gauges for general workshop application.
Grade ‘ii’
Grade ‘0’
Grade ‘0 0’
Grade ‘i’
Correct answer
Grade ‘ii’
A prick punch having angle of taper 60° is used for _____.
punching marks for holes to be drilled
witness marks on scribed lines
locating hole position
locating divider points
Correct answer
punching marks for holes to be drilled
During the use of shaft, the component used to hold & support the shaft is called_____.
shaft
pulley
bearing
gear
Correct answer
shaft
______ is the capacity of the metal to be expanded in all directions without fracturing by hammering or rolling.
Casting
Malleability
Hardness
Brittleness
Correct answer
Casting
For flowering or frosting _____ scraper is used
Triangular
Hook
Flat
Bull nose
Correct answer
Triangular
A work piece is center drilled in the lathe for the purpose of _____.
spotting a hole for drilling or for turning in between centres
turning in between centers only
facing to the centre of the work piece
for increasing strength of the workpiece
Correct answer
spotting a hole for drilling or for turning in between centres
Which among the following operations will be most suitable, and will produce a larger diameter hole concentric to a cored hole in a casting?
Boring
Facing
External turning
Knurling
Correct answer
Boring
The ratio of the strength of a riveted joint to the strength of original solid plate is called as ________ of the joint.
stiffness
strength
an efficiency
an accuracy
Correct answer
stiffness
Which of the following instrument is used for measuring higher temperatures in a furnace?
Barometer
Pyrometer
Calorimeter
Thermometer
Correct answer
Barometer
The included angle between the lip drills is known as _______.
Rake angle
Chisel edge angle
Point angle
Helix angle
Correct answer
Rake angle
Which of the following statement is correct about an independent four jaw chuck?
The jaws can be moved in and out radially
The jaws move simultaneously
The jaws cannot be used to hold a bar having a square cross section
It is not to be used for round jobs
Correct answer
The jaws can be moved in and out radially
Which of the following is an advantage of plant maintenance?
It decreases accuracy of instruments
It increases life of instruments
It decreases plant safety
It decreases life of instruments
Correct answer
It decreases accuracy of instruments
It works on the principle of rake & pinion.
Vernier bevel protactor
Dial test indicator
Vernier height gauge
Micrometer
Correct answer
Vernier bevel protactor
In a brazing operation, which of the following is the commonly used flux?
Sulphuric acid
Hydrochloric acid
Diesel oil
Borax
Correct answer
Sulphuric acid
Drill chucks are fitted on the drilling machine spindle by means of ____
Arbor
Drift
Knurled ring
Pinion & key
Correct answer
Arbor
In case of riveted joints, caulking and fullering are the processes performed to make the joints _______.
Strong
Soft
Leak proof
Flexible
Correct answer
Strong
Following which things must be watched when sharpening a drill.
Shank
Margin
Flute
Angle of lips
Correct answer
Shank
The roughing out machine tap has ______.
tapered flutes
helical flutes
no flutes
straight flutes
Correct answer
tapered flutes
Generally, which of the following material doesn’t require coolant while machining?
Aluminium
Copper
Mild steel
Cast iron
Correct answer
Aluminium
For deep underwater cutting, which of the following gas is used?
Acetylene
LPG
Methane
Hydrogen
Correct answer
Acetylene
In sheet metal operation two edges are joined by ______.
grooving
seaming
heming
bending
Correct answer
grooving
The distance between the crest & the root of a thread measured normal to the axis is _____.
Pitch diameter
Depth of thread
Thickness of thread
Minor diameter
Correct answer
Pitch diameter
175 questions in the full paper