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The commonly used regenerator in Zeolite process is:
Dil. HCl
Dil. NaOH
Dil. \( \text{H}_{2}\text{SO}_{4} \)
NaCl
Correct answer
Dil. HCl
Consider a flywheel of mass 10 kg, uniform thickness 15 mm, and radius 100 mm. If it rotates at 300 RPM, then the KE of the flywheel (in Joules) is:
30.46
24.65
35.06
32.54
Correct answer
30.46
A long straight conductor carries a current of 5 A. The magnitude of the magnetic field at a point 20 cm from the conductor is:
\( 50 \mu T \)
\( 500 \mu T \)
\( 5 \mu T \)
\( 0.5 \mu T \)
Correct answer
\( 50 \mu T \)
Which of the following is NOT a type of wet corrosion?
Pitting corrosion
Soil corrosion
Liquid metal corrosion
Galvanic corrosion
Correct answer
Pitting corrosion
The equation of a straight line that passes through the point \( (2, -5) \) and perpendicular to the line \( 4x - y = 1 \) is:
\( x - 4y - 18 = 0 \)
\( 4x + 3y - 9 = 0 \)
\( x + 4y + 18 = 0 \)
\( 4x - y + 18 = 0 \)
Correct answer
\( x - 4y - 18 = 0 \)
A convex lens has a 30 cm focal length in air. The focal length of the same convex lens in medium A is (given that the refractive index of air-medium A = 1.4, the refractive index for air-glass = 1.5):
0.11 m
0.21 m
1.1 m
2.1 m
Correct answer
0.11 m
Capacitors connected in series behave like:
Galvanometer
Resistors connected in series
Resistors connected in parallel
N identical resistors connected in series
Correct answer
Galvanometer
Consider a material A has volume expansion coefficient \( \alpha_v = 3.9 \times 10^{-4}/^\circ C \). The linear expansion coefficient \( \alpha_l \) of the material A is:
\( 10^{-4}/^\circ C \)
\( 3.9 \times 10^{-4}/^\circ C \)
\( 2.6 \times 10^{-4}/^\circ C \)
\( 1.3 \times 10^{-4}/^\circ C \)
Correct answer
\( 10^{-4}/^\circ C \)
If the system of linear equations \( x + 2y - z = 0, 3x + (k + 7)y - 3z = 0, 2x + 4y + (k - 3)z = 0 \) has a non-trivial solution, then the value of \( k \) is:
1
\( \pm 1 \)
0
-1
Correct answer
1
Consider two forces \( \vec{A} \) and \( \vec{B} \) of magnitudes A and B and their resultant force \( \vec{R} \) has magnitude R. If the B is doubled, then R is also doubled. Similarly, if B is reversed, then also R is doubled. Then the ratio A : B : R is:
\( \sqrt{2} : 1 : \sqrt{3} \)
\( 2 : 3 : 2 \)
\( 2 : 1 : 3 \)
\( \sqrt{2} : \sqrt{3} : \sqrt{2} \)
Correct answer
\( \sqrt{2} : 1 : \sqrt{3} \)
The molarity of 0.75 mol of calcium hydroxide in 500 ml of solution is:
1.5 M
0.002 M
2 M
0.15 M
Correct answer
1.5 M
The chemical composition of cartridge brass is:
Cu = 60 % + Zn = 30 % + Sn = 10 %
Cu = 70 % + Zn = 30 %
Cu = 50 % + Zn = 50 %
Cu = 60 % + Zn = 30 % + Al = 10 %
Correct answer
Cu = 60 % + Zn = 30 % + Sn = 10 %
Ranjan is moving with his race car on a circular racetrack of radius 200 m and it is banked at an angle of 10°. If the coefficient of friction between the wheels of the race car and the road is 0.2, then find the optimum speed of the race car to avoid wear and tear on its tyres.
16.72 m/s
14.53 m/s
18.78 m/s
20.79 m/s
Correct answer
16.72 m/s
Ram has a mass of 60 kg and he runs up from the ground floor to the first floor of his college through stairs of 40 steps with each step of 40 cm height in 20.0 s. The power supplied by him is ______ (take g = 10 \( m/s^2 \)).
480 W
960 W
720 W
240 W
Correct answer
480 W
The primary heat transfer mode which is responsible for the transfer of heat energy from the Sun to the Earth is:
conduction
convection
convection and conduction
radiation
Correct answer
conduction
If \( \omega \) is an imaginary cube root of unity, \( (1 - \omega + \omega^{2})^{3} \) equals to:
\( 8\omega \)
\( -8 \)
\( 8\omega^{2} \)
\( 8 \)
Correct answer
\( 8\omega \)
If \( x^{y}y^{x} = C \), then \( \frac{dy}{dx} = ? \)
\( \frac{x(y + x \ln y)}{y(x + y \ln x)} \)
\( -\frac{y(y + x \ln y)}{x(x + y \ln x)} \)
\( \frac{y(y + x \ln y)}{x(x + y \ln x)} \)
\( -\frac{x(y + x \ln y)}{y(x + y \ln x)} \)
Correct answer
\( \frac{x(y + x \ln y)}{y(x + y \ln x)} \)
The value of the integral \( \int_{-1/3}^{1/3} \sec (x) \ln \left| \frac{1+x}{1-x} \right| dx \) is:
0
1/3
-1/3
1
Correct answer
0
When \( 50 \text{ ml} \) of water sample was treated with \( 10 \text{ ml} \) of \( 10% \text{ KI} \) solution and then titrated with \( \frac{N}{50} \) Hypo solution using starch as indicator, \( 2.5 \text{ ml} \) of Hypo was used for starch end point. Calculate the strength of free chlorine (in ppm) in the given water sample.
0.001
0.0355
1
35.5
Correct answer
0.001
Suppose a person fires a bullet of mass \( 100.0 \text{ g} \) with a speed of \( 100 \text{ m/s} \) on a target of plywood of thickness \( 20 \text{ cm} \). The bullet emerges from the target with only \( 20% \) of its initial kinetic energy. Then the emergent speed of the bullet is:
\( 40.74 \text{ m/s} \)
\( 44.72 \text{ m/s} \)
\( 34.70 \text{ m/s} \)
\( 38.78 \text{ m/s} \)
Correct answer
\( 40.74 \text{ m/s} \)
Which of the following is true?
Specific speed of Francis turbine < Specific speed of Kaplan turbine
Specific speed of Francis turbine < Specific speed of Pelton wheel
Specific speed of Kaplan turbine < Specific speed of Pelton wheel
Specific speed of Kaplan turbine < Specific speed of Francis turbine
Correct answer
Specific speed of Francis turbine < Specific speed of Kaplan turbine
The output voltage of the transformer for primary distribution is:
66 kV
33 kV
132 kV
11 kV
Correct answer
66 kV
A set of finite rules to be followed in calculations or other problem-solving operations is known as _______
flow-chart
Algorithm
Function
Procedure
Correct answer
flow-chart
Identify the gear system shown in the figure below.
Helical gears
Spur gears
Worm gears
Herringbone gears
Correct answer
Helical gears
Which of the following is NOT a type of lubrication system?
Sprinkler feed system
Gravity feed system
Force feed system
Splash feed system
Correct answer
Sprinkler feed system
State the true/false of the following statements as applicable for domestic electrical wiring.
A. The height of the energy meter should be higher than that of switchboard and 1.75 m above the floor.
B. Each sub circuit, consisting of 800 watts load is to be protected by its individual fuse or MCB installed in the distribution switchboard.
Both A and B are true
Only B is true
Only A is true
Both A and B are false
Correct answer
Both A and B are true
What is the output of the following C code snippet?
int i=0;
for(i=1; i<10; i++);
printf("%d", i);
0
Syntax Error
9
10
Correct answer
0
Which of the following is NOT true in the case of High voltage transmission?
The size of the conductors will increase
Voltage regulation will be improved
Losses will be reduced
Efficiency will be better
Correct answer
The size of the conductors will increase
What will be the value of \( R_{2} \) if the delta connection is converted into equivalent star connection?
\( 5 , \Omega \)
\( 7.33 , \Omega \)
\( 3.33 , \Omega \)
\( 10 , \Omega \)
Correct answer
\( 5 , \Omega \)
Identify the power transmission device from the figure below.
Universal coupling
Socket coupling
Oldham coupling
Sprocket coupling
Correct answer
Universal coupling
Which of the following is NOT a synthetic refrigerant in the refrigeration cycle?
Perfluorocarbon
chlorofluorocarbon
Propane
Hydrofluorocarbon
Correct answer
Perfluorocarbon
Which of the following statements regarding collapsible doors is INCORRECT?
These doors revolve about a pivoted point.
These doors are not suitable for air-conditioned halls.
These doors provide both exit and entry spaces for users.
If fitted in a room, these doors do not provide privacy inside.
Correct answer
These doors revolve about a pivoted point.
Which of the following is NOT an internal hardware component of a desktop computer?
CPU
Network interface card
Operating system
Heat sink
Correct answer
CPU
Which of the following statements is FALSE regarding the conditions in which a pile foundation is preferred?
When the load from the superstructure is heavy and it is to be distributed to a wider area
When the top soil has poor bearing capacity and it cannot support the load of the structure
When there are small fluctuations in the sub-soil water level
When the top soil is of expansive nature
Correct answer
When the load from the superstructure is heavy and it is to be distributed to a wider area
A 100-Watt, 200 Volts lamp is connected in series with a second lamp of 100 Watt, 150 Volts across a 250 Volts supply.
Find the voltage across the second lamp.
100 V
125 V
160 V
90 V
Correct answer
100 V
Part 5 of the National Building Code of India (2016) is about ________.
fire and life safety
administration
landscaping
building materials
Correct answer
fire and life safety
Which of the following is NOT a Linux-based operating system for the mobile phone?
iPhone OS
WebOS
Maemo
Android
Correct answer
iPhone OS
Which of the following options best describes the truthfulness of the given statements with reference to hardware and software of a computer?
(i) The grid of circuits underneath the keys of a computer keyboard is called as Key matrix.
(ii) An example of software is Windows 11, Adobe Photoshop, and Google Chrome.
(i)-True, (ii)-True
(i)-False, (ii)-True
(i)-False, (ii)-False
(i)-True, (ii)-False
Correct answer
(i)-True, (ii)-True
Identify the type of pile shown in the figure below.
(A pile is inserted into granular soil to increase the bearing capacity of the soil.)
Friction pile
End-bearing pile
Tension pile
Compaction pile
Correct answer
Friction pile
Which of the following types of canal is classified based on the discharge and its relative importance in a given network of canals?
Power canal
Irrigation canal
Navigation canal
Main canal
Correct answer
Power canal
Which of the following options regarding the effects of water logging on agricultural land is INCORRECT?
Increase in capillary water available to plants
Fall in soil temperature
Decrease in crop yield due to growth of wild flora
Rise in amount of salt in surface soil
Correct answer
Increase in capillary water available to plants
Which of the following IS codes provides guidelines for estimation of deleterious materials and organic impurities present in the aggregates used for making concrete?
IS: 2386 (Part IV) - 1963
IS: 2386 (Part II) - 1963
IS: 2386 (Part I) - 1963
IS: 383 - 2016
Correct answer
IS: 2386 (Part IV) - 1963
The wooden plank or slab of concrete or stone usually provided at the bottom of an entrance door is called:
door frame
shutter
threshold
reveal
Correct answer
door frame
A water course commands an irrigated area of 6 km\(^2\). Transplantation of rice crop takes 12 days and the total depth of water required by the crop is 40 cm on field during the transplantation period. Assuming loss of water to be 20% in the water course, estimate the duty of water at the head of the water course (in ha/cumec).
(Assume that there is no rainfall during the transplantation period.)
324
207.36
259.2
285.24
Correct answer
324
What is the discharge capacity required at the outlet to irrigate 2200 hectares of sugarcane with the Kor depth of 14 cm and the Kor period of 20 days?
1.56 m\(^3\)/s
1.78 m\(^3\)/s
1.63 m\(^3\)/s
1.91 m\(^3\)/s
Correct answer
1.56 m\(^3\)/s
Which of the following is a lightweight and manufactured aggregate, which is used to produce lightweight concrete?
Bloated clay
Tuff
Pumice
Diatomite
Correct answer
Bloated clay
In a rectangular channel of width 4 m and depth 2 m, water is running full. The bed slope is 1 in 3600. Find the velocity of the flow of water if Chezy's constant C = 60.
4 m/s
3 m/s
2 m/s
1 m/s
Correct answer
4 m/s
Consider a liquid jet of diameter 'd'. Let 'p' be the pressure intensity inside the liquid jet above the outside pressure and 'σ' be the surface tension of the liquid. What will be the correct mathematical expression to determine the surface tension on the liquid jet (σ)?
\( \frac{pd}{4} \)
\( \frac{pd}{8} \)
\( \frac{pd}{2} \)
\( \frac{pd}{6} \)
Correct answer
\( \frac{pd}{4} \)
As per Part 4 of the National Building Code of India (2016), which of the following types of buildings are classified as Group-B buildings?
Assembly buildings
Educational buildings
Business buildings
Storage buildings
Correct answer
Assembly buildings
The classification of hydraulic turbines according to the type of energy at the inlet of the turbine includes _______.
mixed-flow turbines
medium-head turbines
reaction turbines
tangential-flow turbines
Correct answer
mixed-flow turbines
The formula for the maximum efficiency (\( \eta_{max} \)) of a Pelton wheel turbine is _______, where Ø is vane angle at the outlet.
\( \eta_{max} = \frac{\sin \emptyset}{2} \)
\( \eta_{max} = \frac{1 + \sin \emptyset}{2} \)
\( \eta_{max} = \frac{1 + \cos \emptyset}{2} \)
\( \eta_{max} = \frac{\cos \emptyset}{2} \)
Correct answer
\( \eta_{max} = \frac{\sin \emptyset}{2} \)
Which of the following factors influence the magnitude of hydrostatic pressure on the unit length of a dam?
Shape of the dam face towards the downstream side
Overall length of the dam
Shape of the dam face towards the upstream side
Density of the material used in the dam
Correct answer
Shape of the dam face towards the downstream side
Which of the following compositions of compounds bears the maximum portion of Bogue’s compounds present in ordinary Portland cement?
\( C_{3}S \) (Tricalcium silicate) and \( C_{3}A \) (Tricalcium aluminate)
\( C_{3}A \) (Tricalcium aluminate) and \( C_{4}AF \) (Tetracalcium aluminoferrite)
\( C_{3}A \) (Tricalcium aluminate) and \( C_{2}S \) (Dicalcium silicate)
\( C_{3}S \) (Tricalcium silicate) and \( C_{2}S \) (Dicalcium silicate)
Correct answer
\( C_{3}S \) (Tricalcium silicate) and \( C_{3}A \) (Tricalcium aluminate)
The duty of water is 1420 ha/cumec for a crop whose base period is 60 days. Calculate the delta for the given details.
0.611 m
0.542 m
0.423 m
0.365 m
Correct answer
0.611 m
_______ are the devices which are used for measuring the pressure by balancing the fluid column by a spring or dead weight.
Differential manometers
Piezometers
Mechanical gauges
Simple manometers
Correct answer
Differential manometers
To avoid the segregation in concrete, it should not be dropped from a height of more than _______ while placing.
1.5 m
1 m
2.5 m
2 m
Correct answer
1.5 m
Identify the INCORRECT statement about shotcrete.
Shotcrete is the name given to mortar or concrete conveyed through a hose and pneumatically projected at a low velocity onto a backup surface.
Shotcrete is used in stabilising rock slopes.
Shotcrete is used for thin, lightly reinforced sections.
Shotcrete is more formally called pneumatically applied mortar or concrete.
Correct answer
Shotcrete is the name given to mortar or concrete conveyed through a hose and pneumatically projected at a low velocity onto a backup surface.
Lining of an irrigation canal is required to _______.
retard the growth of weeds
minimise the seepage losses in the canal
reduce maintenance of the canal
decrease the discharge in the canal section by decreasing the velocity of flow
Correct answer
retard the growth of weeds
The specific yield value of an aquifer is always _______, as some water is retained in the aquifer by molecular and surface tension forces.
greater than its porosity
less than its porosity
the inverse of its porosity
equal to its porosity
Correct answer
greater than its porosity
On which of the following factors does the dosage of coagulants that should be added to the water NOT depend?
Temperature of water
Turbidity of water
Time of settlement
Viscosity of water
Correct answer
Temperature of water
The principal source of water in which water can be obtained through direct intake from natural lakes is called ________.
rainwater
surface water source
groundwater source
desalinated water
Correct answer
rainwater
Which of the following is a disadvantage of natural lime over modern cement?
Eco-friendliness
Lower compressive strength
Self-healing property
Cost-effectiveness
Correct answer
Eco-friendliness
A beam, of \( 5 \text{ m} \) effective span, has its left end ‘P’ as a free end; whereas its right end ‘Q’ is a fixed supported end. The beam is subjected to a uniformly distributed load of \( 3 \text{ kN/m} \) on the entire span. Find the point with the maximum shear force.
Point ‘Q’
Point ‘P’
Midpoint of the beam span
\( 1 \text{ m} \) from the fixed support
Correct answer
Point ‘Q’
Select the Indian standard code which provides guidelines for testing and determination of the compressive strength of natural building stones.
IS 1121 (Part 2): 2013
IS 1121 (Part 1): 2013
IS 1121 (Part 4): 2013
IS 1121 (Part 3): 2013
Correct answer
IS 1121 (Part 2): 2013
The correct sequence of the manufacturing process of fire bricks is ________.
Tempering -> Weathering -> Digging -> Unsoiling -> Blending
Unsoiling -> Digging -> Weathering -> Blending -> Tempering
Digging -> Tempering -> Weathering -> Unsoiling -> Blending
Weathering -> Tempering -> Digging -> Blending -> Unsoiling
Correct answer
Tempering -> Weathering -> Digging -> Unsoiling -> Blending
______ are granite pieces with their surfaces hardened by keeping immersed in soda silicate for about two months.
Imperial stone
Ransom stone
Victoria stone
Bituminous stone
Correct answer
Imperial stone
Identify whether the following statements regarding the sources of water for water supply to a village are true or false.
S1: Infiltration galleries are provided for extraction of groundwater from wells in confined aquifers.
S2: The groundwater extracted from tube wells requires less treatment compared to the surface water from rivers.
Both S1 and S2 are false.
S1 is false and S2 is true.
Both S1 and S2 are true.
S1 is true and S2 is false.
Correct answer
Both S1 and S2 are false.
Identify the INCORRECT statement about the conjugate beam theorem from the following.
It is derived from the moment area theorem.
It is derived from the unit load method.
It is applicable even if a beam does not have the point of zero slope.
It is useful in finding the deflection.
Correct answer
It is derived from the moment area theorem.
Which of the following equations matches with the below-mentioned condition of truss?
Condition: The truss is internally stable and statically determinate space truss.
\( j < 2m - 3 \)
\( m = 3j - 6 \)
\( m > 2j - 3 \)
\( m = 2j - 1 \)
Correct answer
\( j < 2m - 3 \)
Which of the following types of sewers uses pipes that are manufactured by the hot process using clays and shales of special qualities and grades?
Plastic sewer
Brick sewer
Asbestos cement sewer
Stoneware sewer
Correct answer
Plastic sewer
Common methods used for the desalination of water are:
distillation, reverse osmosis and electrodialysis
reverse osmosis, electrodialysis and filtration
distillation, filtration and electrodialysis
reverse osmosis, distillation and filtration
Correct answer
distillation, reverse osmosis and electrodialysis
Find the value of strain energy of a metallic bar with cross-sectional area of \( 2\text{ cm}^2 \) and gauge length of \( 10\text{ cm} \) if it stretches \( 0.002\text{ cm} \) under a load of \( 10\text{ kN} \).
\( 10\text{ N-cm} \)
\( 12\text{ N-cm} \)
\( 16\text{ N-cm} \)
\( 14\text{ N-cm} \)
Correct answer
\( 10\text{ N-cm} \)
In a cantilever beam loaded with point load at the free end, the maximum deflection occurs at _______.
one-fourth span from the fixed end
the fixed end
half span
the free end
Correct answer
one-fourth span from the fixed end
Identify whether the following statements regarding bending stress and strain in a beam are true or false.
S1: The neutral surface of the beam experiences zero bending strain.
S2: The value of bending stress is zero at the neutral surface of the beam.
Both S1 and S2 are true.
Both S1 and S2 are false.
S1 is true and S2 is false.
S2 is true and S1 is false.
Correct answer
Both S1 and S2 are true.
As per IS 456: 2000, what is the maximum permissible limit for the suspended matter present in water to be used in making concrete?
\( 20\text{ mg/l} \)
\( 1000\text{ mg/l} \)
\( 2000\text{ mg/l} \)
\( 200\text{ mg/l} \)
Correct answer
\( 20\text{ mg/l} \)
A water treatment plant with the capacity of \( 1,00,000\text{ m}^3\text{/day} \) has filter boxes of size (area) \( 10\text{ m} \times 10\text{ m} \). If five filters are out for service, what should be the loading rate (in \( \text{m}^3\text{/day/m}^2 \)) of the remaining filters to maintain the capacity of the plant?
300
150
200
100
Correct answer
300
Which of the following is NOT a secondary air pollutant?
Sulphuric acid
Formaldehyde
Ozone
Nitrogen oxide
Correct answer
Sulphuric acid
The ratio of Young’s modulus to the modulus of rigidity of a material with Poisson's ratio 0.2 will be ______.
0.2
2.4
3.2
2.8
Correct answer
0.2
What is the equivalent length of a column which has one of its ends fixed and the other end free, according to Euler's column theory? The actual length of the column is 10 m.
20 m
5 m
\( \frac{10}{\sqrt{2}} \text{m} \)
10 m
Correct answer
20 m
Which of the following statements is FALSE about the moment distribution method?
The moment distribution method is not suited for plane rigid frames.
It is an approximate method.
The degree of accuracy of results depends on the number of successive approximations.
The moment distribution method of analysis is applicable to beams and frames.
Correct answer
The moment distribution method is not suited for plane rigid frames.
Determine the theoretical maximum dry density for a soil sample with specific gravity of 2.65 and optimum moisture content of 18%. (Take \( w = 1 \text{ g/cm}^3 \))
1.902 \( \text{g/cm}^3 \)
1.832 \( \text{g/cm}^3 \)
1.605 \( \text{g/cm}^3 \)
1.794 \( \text{g/cm}^3 \)
Correct answer
1.902 \( \text{g/cm}^3 \)
What is the term used to describe the type of soils that are carried by running water and deposited from suspension?
Alluvial deposits
Lacustrine deposits
Marine deposits
Aeolian deposits
Correct answer
Alluvial deposits
Find the dry volume of the concrete required for 200 \( \text{m}^2 \) of 20 cm thick concrete work with proportion of 1 : 2 : 4.
61.6 \( \text{m}^3 \)
54.3 \( \text{m}^3 \)
76.4 \( \text{m}^3 \)
80 \( \text{m}^3 \)
Correct answer
61.6 \( \text{m}^3 \)
As per IS: 1498-1970, if the value of \( C_u > 6 \) and \( C_c \) is between 1 and 3 for clean sand, it is classified as _______.
silty sand
poorly graded sand
clayey sand
well-graded sand
Correct answer
silty sand
What is the recommended range of camber for cement concrete roads in areas with heavy rainfall?
1 in 40
1 in 50
1 in 33
1 in 25
Correct answer
1 in 40
Which of the following tests is used to find the property of toughness of aggregates?
Aggregate crushing strength test
Angularity number test
Los Angeles abrasion test
Aggregate impact test
Correct answer
Aggregate crushing strength test
Railway wheels are coned in a slope of _______.
1 in 10
1 in 40
1 in 20
1 in 30
Correct answer
1 in 10
As per IS 800: 2007, the distance between the centres of any two consecutive fasteners in a line adjacent and parallel to an edge of an outside plate shall NOT exceed _______.
500 mm plus 4t or 200 mm, whichever is less
50 mm plus 2t or 100 mm, whichever is less
100 mm plus 2t or 100 mm, whichever is less
100 mm plus 4t or 200 mm, whichever is less
Correct answer
500 mm plus 4t or 200 mm, whichever is less
An angle section (used as a tension member) is connected with the longer leg (Net sectional area = 200 \( \text{mm}^2 \)) through rivets. The gross sectional area of the outstanding leg is 160 \( \text{mm}^2 \). Calculate the net effective sectional area of the angle, as per IS: 800-2007.
[160 + (15 \( \times \) 200/19)] \( \text{mm}^2 \)
[160 + (25 \( \times \) 200/29)] \( \text{mm}^2 \)
[200 + (25 \( \times \) 160/29)] \( \text{mm}^2 \)
[200 + (15 \( \times \) 160/19)] \( \text{mm}^2 \)
Correct answer
[160 + (15 \( \times \) 200/19)] \( \text{mm}^2 \)
An asset draws \( ₹20,000 \) every year after all the deductions. What will be its capitalised value with a rate of interest of 10% per annum?
\( ₹2,00,100 \)
\( ₹2,00,000 \)
\( ₹2,10,000 \)
\( ₹2,00,500 \)
Correct answer
\( ₹2,00,100 \)
As per IS: 800-2007, which of the following is NOT a classified type of steel cross-sections based on their moment rotation behaviour?
Slender section
Compact section
Plastic section
Rigid section
Correct answer
Slender section
Which of the following is NOT a compression member?
Strut
Tie
Boom
Rafter
Correct answer
Strut
Which of the following statements is correct about financial management?
A. The objective of financial management is profit maximisation.
B. The objective of financial management is wealth maximisation.
Only A is correct
Both A and B are correct
Only B is correct
Both A and B are incorrect
Correct answer
Only A is correct
The critical path method is a/an _______ oriented technique, which is used in project management.
activity
time
event
resource
Correct answer
activity
The expression for effective length \( (l_e) \) of a compression member can be obtained as \( l_e = kl \). Here, 'k' indicates ________, where 'l' is the unsupported length of the compression member.
effective length ratio
clear distance
unsupported length
constant
Correct answer
effective length ratio
A room with inner-to-inner dimensions \( 4.8 \text{ m} \times 4.8 \text{ m} \) is built by 20 cm thick walls all around. Calculate the central line length of walls.
20 m
22.6 m
14 m
15.9 m
Correct answer
20 m
Estimate the total cost of brickwork and plastering required for a wall which is 4 m long, 3 m high and 30 cm thick if the rate of brickwork is ₹320 per \( \text{m}^3 \) and that of plastering is ₹8.50 per \( \text{m}^2 \).
[Note: Thickness faces are not plastered.]
₹1,297
₹1,422
₹1,356
₹1,498
Correct answer
₹1,297
Which of the following statements is/are correct about the analysis of three-hinged arches?
A. Horizontal thrust may be found by using Castigliano's first theorem.
B. A three-hinged arch may have circular or parabolic shape.
Only A is correct
Both A and B are correct
Only B is correct
Both A and B are incorrect
Correct answer
Only A is correct
Which of the following is NOT an economic study conducted during planning surveys in highway planning?
Industrial and agricultural products and their listing in classified groups, area wise
Per capita income
Sources of income, vehicle registration and local taxes
Trend of population growth
Correct answer
Industrial and agricultural products and their listing in classified groups, area wise
Select the INCORRECT statement related to terminologies with its definition used in Arch construction.
Soffit: This is the lower half of the arch between the crown and skewback
Voussoirs: These are the wedge-shaped units forming the courses of an arch
Arcades: It is a row of arches supported on piers and carrying a wall over it
Spandril: This is space between the extrados and the horizontal line through the crown
Correct answer
Soffit: This is the lower half of the arch between the crown and skewback
A reservoir is constructed at an elevation of 550 m above mean sea level and a powerhouse is located at an elevation of 350 m above mean sea level. The water is being diverted to the powerhouse through a penstock. Which type of turbine is suitable?
Pelton turbine
Francis turbine
Kaplan turbine
Propeller turbine
Correct answer
Pelton turbine
A 4 m wide by 2 m deep rectangular channel is flowing fully. The bed slope of the channel is 1 in 2500. If Chezy’s constant is 50, what is the discharge through the channel?
\( 8 \text{ m}^3/\text{s} \)
\( 10 \text{ m}^3/\text{s} \)
\( 12 \text{ m}^3/\text{s} \)
\( 6 \text{ m}^3/\text{s} \)
Correct answer
\( 8 \text{ m}^3/\text{s} \)
Which of the following properties of concrete facilitates high durability of concrete?
High permeability
High early strength of concrete
Low water/cement ratio
Flaky aggregates
Correct answer
High permeability
Match the type of cement in column A with its corresponding application in column B.
| Types of cement | Applications |
|---|---|
| 1. Portland slag cement | A. Cold weather concreting works |
| 2. Low heat Portland cement | B. Offshore structures |
| 3. Rapid hardening cement | C. Resistance to corrosion of reinforcement |
| 4. Super sulphated cement | D. Water retaining structures like dams |
1-B, 2-D, 3-A, 4-C
1-C, 2-D, 3-A, 4-B
1-D, 2-C, 3-A, 4-B
1-C, 2-D, 3-B, 4-A
Correct answer
1-B, 2-D, 3-A, 4-C
What is the maximum shear stress developed for a wooden beam of width 100 mm and depth 250 mm, subjected to shear force of 75 kN?
3.5 MPa
4.0 MPa
4.5 MPa
5.0 MPa
Correct answer
3.5 MPa
What is the purpose of a super-passage in irrigation engineering?
To cross the natural stream at relatively same level
To cross the canal below the natural stream
To cross the canal over the natural stream
To divert the water from the river to the canal
Correct answer
To cross the natural stream at relatively same level
Identify whether the following statements related to the measurement of rainfall and runoff are true/false.
The depth of rainfall is measured at 8:00 a.m. every day, using float type of rain gauge.
The approximate stream flow velocity can be determined by floats.
Both statements are true
Statement 1 is false and Statement 2 is true
Statement 1 is true and Statement 2 is false
Both statements are false
Correct answer
Both statements are true
Where are ‘bullnose bricks’ used in a brick masonry construction?
Rounded quoin
Window joints
Furnaces
Towers
Correct answer
Rounded quoin
Calculate the maximum torque for a solid circular shaft having a polar moment of inertia of \( 30 \times 10^{6} \text{ mm}^{4} \) that can transmit, if the maximum angle of twist is \( 1^{\circ} \) in a length of 1.5 m.
(Take the modulus of rigidity equal to 90 GPa)
\( 10 \pi \text{ kN-m} \)
\( 15 \pi \text{ kN-m} \)
\( 5 \pi \text{ kN-m} \)
\( 20 \pi \text{ kN-m} \)
Correct answer
\( 10 \pi \text{ kN-m} \)
Two horizontal plates are placed one above the other at a distance of 2 cm, the space between them being filled with an oil of viscosity 15 poises. What is the shear stress in oil if the upper plate is moved with a velocity of 2 m/s?
\( 130 \text{ N/m}^{2} \)
\( 120 \text{ N/m}^{2} \)
\( 140 \text{ N/m}^{2} \)
\( 150 \text{ N/m}^{2} \)
Correct answer
\( 130 \text{ N/m}^{2} \)
Which of the following river training works is constructed on the upstream side of the diversion site to control the submergence of land due to rise in high flood level?
Bed pitching
Spur
River proper
Marginal bund
Correct answer
Bed pitching
The command area of an irrigation canal is 4000 hectares. The intensity of irrigation of a crop is 70%. The crop requires 60 cm of water in 20 days, when the effective rainfall is recorded as 20 cm during that period. Assuming 20% losses, what is the duty at the head of the canal?
365.6 hectare/cumec
245.6 hectare/cumec
325.6 hectare/cumec
345.6 hectare/cumec
Correct answer
365.6 hectare/cumec
What should be the maximum aggregate crushing value used in concrete roads and pavements as per IS:383-1970?
50%
30%
20%
40%
Correct answer
50%
Select the correct option related to the application of grade beams in building construction.
Provided at the lintel level of load-bearing walls of a building
Provided in between isolated foundation of a framed building below ground level
Provided at the plinth level of a framed building
Provided at the bottom of the foundation footing of load-bearing walls of a building
Correct answer
Provided at the lintel level of load-bearing walls of a building
The following statements pertain to the roof truss.
In the case of a queen-post truss, the tie beam will be under tension while the straining beam and struts are under compression.
Due to the triangular structure of the King-post truss, the members are either under tension or compression.
Validate the statements as correct/incorrect and choose the correct answer.
Statement 1 is correct and Statement 2 is incorrect
Both statements are incorrect
Statement 1 is incorrect and Statement 2 is correct
Both statements are correct
Correct answer
Statement 1 is correct and Statement 2 is incorrect
A hollow shaft produces a torque of \( 10\text{ kN-m} \) at \( 120\text{ rpm} \). Find the power the shaft can transmit?
\( 40\text{ }\pi\text{ kW} \)
\( 45\text{ }\pi\text{ kW} \)
\( 50\text{ }\pi\text{ kW} \)
\( 35\text{ }\pi\text{ kW} \)
Correct answer
\( 40\text{ }\pi\text{ kW} \)
Identify whether the following statements related to concrete are true/false.
In principle, as the compaction factor increases, the slump decreases.
Slump and slump flow of concrete are both measured in mm or cm.
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Both statements are false
Both statements are true
Correct answer
Statement 1 is true and Statement 2 is false
When the pressure between two points is measured using a mercury-water manometer, it shows a gauge difference of \( 400\text{ mm} \), as in the given figure. What will be the difference in pressure?
(Take the specific gravity of mercury as \( 13.6 \))
14.6 m of water
5.84 m of water
5.04 m of water
12.6 m of water
Correct answer
14.6 m of water
A steel rod \( 1\text{ m} \) long and \( 20\text{ mm} \times 20\text{ mm} \) in cross-section is subjected to a tensile force of \( 40\text{ kN} \). What is the elongation of the rod, if the modulus of elasticity for the rod material is \( 200\text{ GPa} \).
0.95 mm
0.25 mm
0.5 mm
0.75 mm
Correct answer
0.95 mm
Which Act/law was passed by the government of India to protect the victims of accidents and their families from hardships out of and in the course of employment?
The Health and Safety at Work Act, 1974
Workmen Compensation Act, 1923
Contract Labour Laws, 1970
Minimum Wage Act
Correct answer
The Health and Safety at Work Act, 1974
What is the maximum bending moment per metre run and the diagonal shear for a reinforced cement concrete footing for 1 m wide concrete wall carrying a load of 800 kN/m? (Given allowable soil pressure is \( 200 \text{ kN/m}^2 \) and depth of 0.5 m)
235 kN-m per m and 400 kN
225 kN-m per m and 200 kN
220 kN-m per m and 600 kN
215 kN-m per m and 180 kN
Correct answer
235 kN-m per m and 400 kN
According to IS:3629-1986, the trade names and the botanical names of trees are given as options. Select the correct option in which the timbers of these trees are used for permanent structures.
Deodar (Cedrus deodara), Teak (Tectona grandis), Satinwood (Chloroxylon swietenia), Ebony (Diospyros pyrrhocarpa)
Deodar (Cedrus deodara), Teak (Tectona grandis), Indian rose wood (Dalbergia latifolia), Sal (Shorea robusta)
Indian rose wood (Dalbergia latifolia), Sal (Shorea robusta), Casuarina (Casuarina equisetifolia), Kasod (Cassia siamea)
Casuarina (Casuarina equisetifolia), Satinwood (Chloroxylon swietenia), Ebony (Diospyros pyrrhocarpa), Kasod (Cassia siamea)
Correct answer
Deodar (Cedrus deodara), Teak (Tectona grandis), Satinwood (Chloroxylon swietenia), Ebony (Diospyros pyrrhocarpa)
A sample of water has calcium content of 60 mg/l as \( \text{CaCO}_3 \) and magnesium content of 80 mg/l as \( \text{CaCO}_3 \). What is the total hardness of water?
240 mg/l
200 mg/l
140 mg/l
40 mg/l
Correct answer
240 mg/l
Which of the following drilling methods is more suitable for use in glacial tills containing boulders?
Percussion boring
Rotary drilling
Wash boring
Core drilling
Correct answer
Percussion boring
A simply supported beam of a span 3 m is subjected to a central load of 10 kN. What is the maximum slope and deflection of the beam, if the moment of inertia is \( 10 \times 10^6 \text{ mm}^4 \) and Young's modulus of elasticity is 200 GPa?
Slope = 0.0022 rad and deflection = 3.25 mm
Slope = 0.0018 rad and deflection = 2.31 mm
Slope = 0.0012 rad and deflection = 1.81 mm
Slope = 0.0028 rad and deflection = 2.81 mm
Correct answer
Slope = 0.0022 rad and deflection = 3.25 mm
Which of the following is NOT an application of flow net?
Determination of seepage through earthen dam
Determination of passive earth pressure
Determination of hydrostatic pressure
Determination of exit gradient
Correct answer
Determination of seepage through earthen dam
Which of the following intake structure types suitability is true in case of a water supply scheme?
Submersible type of intake structures are normally used for lake-based water supply.
A siphonic intake from the middle of the canal is used for augmenting the water supply from the canal.
A masonry or RCC intake tower (or intake well) is placed downstream of the gravity dam for augmenting water supply.
An underground intake chamber consisting of stone masonry in the bed of the river is used for river-based water supply.
Correct answer
Submersible type of intake structures are normally used for lake-based water supply.
A continuous beam ABC is subjected to loads and its shear force and bending moment diagrams are given below. What is the fixing moment at support B?
\( -2.4 \text{ kN-m} \)
\( 1.4 \text{ kN-m} \)
\( -2.8 \text{ kN-m} \)
\( 1.8 \text{ kN-m} \)
Correct answer
\( -2.4 \text{ kN-m} \)
Which type of gauge in Indian railways has a width of 1676 mm between two rails?
Broad gauge
Meter gauge
Narrow gauge
Cape gauge
Correct answer
Broad gauge
A fixed beam AB of span 4 m is carrying a point load of 100 N at the centre. What is the fixed end moment at support A and B?
\( M_A = M_B = -12 \text{ N-m} \)
\( M_A = M_B = -50 \text{ N-m} \)
\( M_A = M_B = -3 \text{ N-m} \)
\( M_A = M_B = -6 \text{ N-m} \)
Correct answer
\( M_A = M_B = -12 \text{ N-m} \)
A hospital is to be constructed for a total number of 100 beds and the financial requirement for each bed is ₹1,00,000. But there is no drawing available at the beginning. Which financial estimate method is applicable to the construction of the proposed hospital?
Preliminary estimate
Revised estimate
Ballpark estimate
Detailed estimate
Correct answer
Preliminary estimate
What is the scale of water that is required for a city or town having a population of 50,000 to meet fire demand, as recommended by the Indian Standard, IS:9668-1990?
1800 litres per minute
1500 litres per minute
2200 litres per minute
2500 litres per minute
Correct answer
1800 litres per minute
Identify, on the basis of application, whether the following statements regarding quality measures in the construction industry are true/false.
Quality control (QC) tools are used at the project level and deal with conformance to the plans and specs through submittals, mock-ups, shop drawings, inspections, and testing.
Quality assurance (QA) tools are used at the process level and deal with policies and procedures associated with hiring, training, safety, subcontracting, and procurement.
Both statements are true
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Both statements are false
Correct answer
Both statements are true
In which of the following bearing capacity theories, the shear strength of soil above the footing base was also accounted for in the analysis?
Terzaghi's bearing capacity theory
Vesic's bearing capacity theory
Meyerhof's bearing capacity theory
Hansen's bearing capacity theory
Correct answer
Terzaghi's bearing capacity theory
What form of burnt bricks are used to construct octagonal pillars?
King closer bricks
Bullnose bricks
Compass bricks
Double cant bricks
Correct answer
King closer bricks
Identify whether the following statements with reference to project planning methods are true/false.
Gantt charts are not very good at showing the impact that a delay in one activity might have on another activity or on the overall duration of the project.
Network diagrams show any delay in the project activity and its impact on the other or overall duration of the project.
Both statements are true
Both statements are false
Statement 1 is false and Statement 2 is true
Statement 1 is true and Statement 2 is false
Correct answer
Both statements are true
The stopping sight distance on a level highway road is 61.4 m, done for two-way traffic with two lanes. What is the stopping sight distance for the highway if two-way traffic with a single lane is considered?
61.4 m
150.8 m
30.7 m
122.8 m
Correct answer
61.4 m
The distribution factor for the portion BC from the given beam is:
0.25
0.75
1.0
0.5
Correct answer
0.25
Which type of pipes are well suited for laying in ground liable to subsidence in case of water supply scheme?
Cast iron pipe
PVC pipes
Asbestos cement pipes
Steel pipe
Correct answer
Cast iron pipe
A tank is excavated in a level ground to a depth of \( 8\text{ m} \) with uniform side slopes. The top of the tank at ground level is rectangular in shape of size \( 40 \times 20\text{ m} \), while the bottom is of size \( 24 \times 12\text{ m} \). Compute the volume of earthwork by the trapezoidal rule.
\( 4152\text{ m}^3 \)
\( 4312\text{ m}^3 \)
\( 4252\text{ m}^3 \)
\( 4352\text{ m}^3 \)
Correct answer
\( 4152\text{ m}^3 \)
Which of the following statements related to properties of materials used in earth and gravel roads as per IRC:SP:77-2008 is correct?
The maximum liquid limit of the fines (soil) used for the wearing course of an earthen road in a seasonal wet tropic climate is \( 40% \).
Wet Aggregate Impact Value should not exceed \( 40 \) and \( 30 \) when used in base and surfacing, respectively.
Statement 1 is incorrect and Statement 2 is correct
Both statements are incorrect
Both statements are correct
Statement 1 is correct and Statement 2 is incorrect
Correct answer
Statement 1 is incorrect and Statement 2 is correct
The total cost of a new building is \( ₹1,70,000 \). What is the depreciation cost of the building after \( 20 \) years by straight line method if scrap value is \( ₹10,000 \), assuming the life of the building is \( 80 \) years?
\( ₹40,000 \)
\( ₹1,30,000 \)
\( ₹1,50,000 \)
\( ₹1,60,000 \)
Correct answer
\( ₹40,000 \)
What is the value of the maximum slenderness ratio of a tension member that is used as per IS:800-2007 for the compression flange of a beam against lateral torsional buckling?
180
250
400
300
Correct answer
180
Which of the following estimates is applicable for an additional work that is necessary for the project while in progress?
Revised estimate
Supplementary estimate
Detailed estimate
Quantity estimate
Correct answer
Revised estimate
According to IS:800-2007, the thickness of flat lacing bars should NOT be less than _______ of its effective length for single lacings.
one-twentieth
one-sixtieth
one-thirtieth
one-fortieth
Correct answer
one-twentieth
The effective length (\( l \)) of a compression steel member of actual length (\( L \)), effectively held in position and restrained against rotation at one end and restrained against rotation at the other end but not held in position, as per IS:800-2007 is:
\( 0.65 \ L \)
\( 1.5 \ L \)
\( 1.2 \ L \)
\( 2.0 \ L \)
Correct answer
\( 0.65 \ L \)
The sleeper density is \( M + 7 \) on a broad-gauge route, where M is the length of the rail. How many sleepers are required for 1 km length of track?
(Assume the length of the rail is 13 m)
1525
1539
1520
1510
Correct answer
1525
Match the symbols indicating the type of steel connection in column A with their names in column B.
| Symbol of weld connection | Name of connection |
|---|---|
1.  | A. Bevel weld |
2.  | B. Plug weld |
3.  | C. Fillet weld |
4.  | D. Spot weld |
1-D, 2-A, 3-C, 4-B
1-C, 2-A, 3-D, 4-B
1-C, 2-A, 3-B, 4-D
1-C, 2-D, 3-A, 4-B
Correct answer
1-D, 2-A, 3-C, 4-B
Which of the following statements applicable to lead and lift as per IS:1200-part-1-1992 are correct?
Lead: Distances not exceeding 250 m should be measured in units of 50 m.
Lift: Lift should be measured in units of 1.5 m from the ground level.
Statement 1 is incorrect and Statement 2 is correct
Both statements are correct
Both statements are incorrect
Statement 1 is correct and Statement 2 is incorrect
Correct answer
Statement 1 is incorrect and Statement 2 is correct
150 questions in the full paper
