Explore topic-wise MCQs in Civil Engineering.

This section includes 307 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 1.25 m/sec to overtake a vehicle moving at a speed 30 km ph, is

A. 5.0 secs
B. 6.12 secs
C. 225.48 secs
D. 30 secs
Answer» C. 225.48 secs
2.

If is the degree of a curve, the percentage reduction of gradient, is

A. 0.01
B. 0.02
C. 0.03
D. 0.04
E. 0.005
Answer» E. 0.005
3.

If is the algebraic difference of grades, is the minimum sight distance in metres, the length () of a summit curve is

A. none of these.
Answer» C.
4.

If the rate of change of grade permitted along a vertical curve is and total change of grade is %, the length of the curve to be provided, is

A. none of these.
Answer» C.
5.

If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm, spacing of 10 mm tie bars for the longitudinal joint, is

A. 10 cm
B. 20 cm
C. 30 cm
D. 40 cm
E. 50 cm
Answer» D. 40 cm
6.

Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to crushing strength 280 kg/cm at 28 days, are

A. 5.0
B. 6.5
C. 7.0
D. 7.5
E. 8.0
Answer» C. 7.0
7.

If is the length of the transition curves provided on either side of a circular curve of radius , the maximum angle of deflection with tangent for the junctions of the transition curve and circular curve, is

A. /
B. /2
C. /3
D. /4
E. none of these.
Answer» F.
8.

Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm, is

A. 17.0 cm
B. 25.5 cm
C. 34.0 cm
D. 42.5 cm
E. 50.0 cm
Answer» C. 34.0 cm
9.

If is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept

A. 1.275
B. 1.125
C. 0.85
D. 0.75
E. 0.60
Answer» D. 0.75
10.

Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm, is

A. 70 kg/sq cm
B. 80 kg/sq cm
C. 90 kg/sq cm
D. 100 kg/sq cm
Answer» D. 100 kg/sq cm
11.

If is the radius of a main curve and is the length of the transition curve, the shift of the curve, is

A. /24
B. /24
C. /24
D. /24
E. /12
Answer» C. /24
12.

If is basic capacity per lane, is velocity in km/hour, is stopping distance pluslength of the vehicles in metres, the formula is applicable to

A. district roads
B. two lane roads
C. two lane roads in one direction
D. none of these.
Answer» D. none of these.
13.

If is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec, is

A. 80/(75+V)
Answer» F.
14.

If is deviation angle, the length , of a parabolic vertical curve for safe stopping distance , is

A. both (
B. ) and (
C. )
Answer» F.
15.

If is the projected area of a vehicle in square metres, is speed of the vehicles in kilometres per hour and is a constant, then the wind resistance to the moving vehicles, is given by

A. =
B. =
C. =
D. =
Answer» C. =
16.

If is deviation angle the length of a parabolic vetical curve for overtaking sight distance , is

A. Both (A) and (C)
Answer» F.
17.

The tangent length of a simple circular curve of radius deflecting through θ°, is

A. R tan θ
B. R tan θ/2
C. R sin θ
D. R sin θ/2
E. R cot θ/2
Answer» C. R sin θ
18.

The statement, regarding the size of stones used at the wearing surface. was made by

A. Telford
B. Macadam
C. Tresguet
D. Sully.
Answer» C. Tresguet
19.

The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec, for a design speed 100 km ph, is

A. 16.0 m
B. 42.3 m
C. 84.6 m
D. none of these.
Answer» D. none of these.
20.

With increase in speed of the traffic stream, the maximum capacity of the lane________________?

A. increases
B. decreases
C. first increases and then decreases after reaching a maximum value at optimum speed
D. first decreases and then increases after reaching a minimum value at optimum speed
Answer» D. first decreases and then increases after reaching a minimum value at optimum speed
21.

With increase in speed of the traffic stream, the minimum spacing of vehicles________________?

A. increases
B. decreases
C. first decreases and then increases after reaching a minimum value at optimum speed
D. first increases and then decreases after reaching a maximum value at optimum speed
Answer» B. decreases
22.

Which of the following is considered to be the highest quality construction in the group of black top pavements ?

A. mastic asphalt
B. sheet asphalt
C. bituminous carpet
D. bituminous concrete
Answer» E.
23.

When two equally important roads cross roughly at right angles, the suitable shape of central island is________________?

A. circular
B. elliptical
C. tangent
D. turbine
Answer» B. elliptical
24.

When the width of kerb parking space and width of street are limited, generally preferred parking system is________________?

A. parallel parking
B. 45° angle parking
C. 65° angle parking
D. 90° angle parking
Answer» B. 45° angle parking
25.

When the speed of traffic flow becomes zero,then_______________?

A. traffic density attains maximum value whereas traffic volume becomes zero
B. traffic density and traffic volume both attain maximum value
C. traffic density and traffic volume both become zero
D. traffic density becomes zero whereas traffic volume attains maximum value
Answer» B. traffic density and traffic volume both attain maximum value
26.

When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in______________?

A. slipping
B. skidding
C. turning
D. revolving
Answer» C. turning
27.

When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is________________?

A. seal coat
B. tack coat
C. prime coat
D. spray of emulsion
Answer» C. prime coat
28.

When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is________________?

A. circular
B. tangent
C. elliptical
D. turbine
Answer» C. elliptical
29.

Tyre pressure influences the______________?

A. total depth of pavement
B. quality of surface course
C. both the above
D. none of the above
Answer» C. both the above
30.

To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by_________________?

A. 8 kmph
B. 12kmph
C. 16kmph
D. 20 kmph
Answer» D. 20 kmph
31.

Tie bars in cement concrete pavements are at______________?

A. expansion joints
B. contraction joints
C. warping joints
D. longitudinal joints
Answer» E.
32.

The value of ruling gradient in plains as per IRC recommendation is______________?

A. 1 in 12
B. 1 m 15
C. 1 in 20
D. 1 in 30
Answer» E.
33.

The transition curve used in the horizontal alignment of highways as per IRC recommendations is_______________?

A. spiral
B. lemniscate
C. cubic parabola
D. any of the above
Answer» B. lemniscate
34.

The thickness of bituminous carpet varies from__________________?

A. 20 to 25 mm
B. 50 to 75 mm
C. 75 to 100 mm
D. 100 to 120 mm
Answer» B. 50 to 75 mm
35.

The terrain may be classified as rolling terrain if the cross slope of land is______________?

A. upto 10%
B. between 10% and 25%
C. between 25% and 60%
D. more than 60%
Answer» C. between 25% and 60%
36.

The suitable surfacing material for a bridge deck slab is________________?

A. sheet asphalt
B. bituminous carpet
C. mastic asphalt
D. rolled asphalt
Answer» D. rolled asphalt
37.

The stopping sight distance depends upon_______________?

A. total reaction time of driver
B. speed of vehicle
C. efficiency of brakes
D. all of the above
Answer» E.
38.

The shoulder provided along the road edge should be_______________?

A. rougher than the traffic lanes
B. smoother than the traffic lanes
C. of same colour as that of the pavement
D. of very low load bearing capacity
Answer» B. smoother than the traffic lanes
39.

The shape of the camber, best suited for cement concrete pavements, is_______________?

A. straight line
B. parabolic
C. elliptical
D. combination of straight and parabolic
Answer» B. parabolic
40.

The sequence of four stages of survey in a highway alignment is______________?

A. reconnaissance, map study, preliminary survey and detailed survey
B. map study, preliminary survey, reconnaissance and detailed survey
C. map study, reconnaissance, preliminary survey and detailed survey
D. preliminary survey, map study, reconnaissance and detailed survey
Answer» D. preliminary survey, map study, reconnaissance and detailed survey
41.

The ruling design speed on a National Highway in plain terrain as per IRC recommendations is_____________?

A. 60 kmph
B. 80 kmph
C. 100 kmph
D. 120 kmph
Answer» D. 120 kmph
42.

The recommended grade of tar for grouting purpose is_______________?

A. RT-1
B. RT-2
C. RT.3
D. RT-5
Answer» E.
43.

The provision of traffic signals at intersections______________?

A. reduces right angled and rear end collisions
B. reduces right angled and rear end collisions
C. reduces right angled collisions but may increase rear end collisions
D. reduces rear end collisions but may increase right angled collisions
Answer» D. reduces rear end collisions but may increase right angled collisions
44.

The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________?

A. 0.1 %
B. 1 %
C. 10%
D. no compensation
Answer» E.
45.

The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as________________?

A. stop lines
B. turn markings
C. crosswalk lines
D. lane lines
Answer» D. lane lines
46.

The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is______________?

A. 1000
B. 10000
C. 100000
D. 1000000
Answer» E.
47.

The most suitable equipment for compacting clayey soils is a_______________?

A. smooth wheeled roller
B. pneumatic tyred roller
C. sheep foot roller
D. vibrator
Answer» D. vibrator
48.

The most efficient traffic signal system is________________?

A. simultaneous system
B. alternate system
C. flexible progressive system
D. simple progressive system
Answer» D. simple progressive system
49.

The most economical lighting layout which is suitable for narrow roads is_______________?

A. single side lighting
B. staggered system
C. central lighting system
D. none of the above
Answer» B. staggered system
50.

The minimum design speed for hairpin bends in hill roads is taken as_______________?

A. 20 kmph
B. 30 kmph
C. 40 kmph
D. 50 kmph
Answer» B. 30 kmph