Explore topic-wise MCQs in Civil Engineering.

This section includes 156 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

%_The background colour of the informatory sign board is_%

A. red
B. yellow
C. green
D. white
Answer» C. green
52.

%_For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is_%

A. dry rolling, wet rolling, application of screening and application of filler
B. dry rolling, application of filler, wet rolling and application of screening
C. dry rolling, application of screening, wet rolling and application of filler
D. dry rolling, application of screening, application of filler and wet rolling
Answer» D. dry rolling, application of screening, application of filler and wet rolling
53.

%_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
54.

%_In case of hill roads, the extra widening is generally provided_%

A. equally on inner and outer sides of the curve
B. fully on the inner side of the curve
C. fully on the outer side of the curve
D. one-fourth on inner side and three-fourth on outer side of the curve
Answer» C. fully on the outer side of the curve
55.

%_Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?_%

A. road side interview method
B. license plate method
C. return postcard method
D. home interview method
Answer» C. return postcard method
56.

%_If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is_%

A. 1500 vehicles per hour
B. 2000 vehicles per hour
C. 2500 vehicles per hour
D. 3000 vehicles per hour
Answer» B. 2000 vehicles per hour
57.

%_Enoscope is used to find_%

A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed
Answer» C. space-mean speed
58.

%_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
59.

%_If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_%

A. 3 %
B. 4%
C. 5 %
D. 6%
Answer» C. 5 %
60.

%_The fundamental factor in the selection of pavement type is_%

A. climatic condition
B. type and intensity of traffic
C. subgrade soil and drainage conditions
D. availability of funds for the construction project
Answer» C. subgrade soil and drainage conditions
61.

%_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%
62.

%_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
63.

%_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
64.

%_The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is_%

A. 8 cubic meter
B. 10 cubic meter
C. 12 cubic meter
D. 15 cubic meter
Answer» D. 15 cubic meter
65.

%_If the group index value of subgrade is between 5 and 9, then the subgrade is treated as_%

A. good
B. fair
C. poor
D. very poor
Answer» D. very poor
66.

_ The maximum allowable Los Angeles abrasion value for high quality surface course is$?

A. 10%
B. 20 %
C. 30%
D. 45 %
Answer» D. 45 %
67.

_ The camber of road should be approximately equal to$?

A. longitudinal gradient
B. two times the longitudinal gradient
C. three times the longitudinal gradient
D. half the longitudinal gradient
Answer» E.
68.

_ Select the incorrect statement.$?

A. Stop or red time of a signal is the sum of go and clearance intervals for the cross flow.
B. Go or green time of a signal is the sum of stop and clearance intervals for the cross flow.
C. Clearance time is generally 3 to 5 seconds.
D. The cycle length is normally 40 to 60 seconds for two phase signals.
Answer» C. Clearance time is generally 3 to 5 seconds.
69.

_ If aggregate impact value is 20 to 30 percent, then it is classified as$?

A. exceptionally strong
B. strong
C. satisfactory for road surfacing
D. unsuitable for road surfacing
Answer» D. unsuitable for road surfacing
70.

__Scientific planning of transportation system and mass transit facilities in cities should be based on__

A. spot speed data
B. origin and destination data
C. traffic volume data
D. accident data
Answer» C. traffic volume data
71.

_The camber for hill roads in case of bituminous surfacing is adopted as$?

A. 2%
B. 2.5%
C. 3%
D. 4%
Answer» C. 3%
72.

_The direct interchange ramp involves$?

A. diverging to the right side and merging from left
B. diverging to the left side and merging from right
C. diverging to the right side and merging from right
D. diverging to the left side and merging from left
Answer» D. diverging to the left side and merging from left
73.

_Centre line markings are used$?

A. to designate traffic lanes
B. in roadways meant for two way traffic
C. to indicate that overtaking is not permitted
D. to designate proper lateral placement of vehicles before turning to different directions
Answer» C. to indicate that overtaking is not permitted
74.

_The walls which are necessary on the hill side of roadway where earth has to be retained from slipping is known as$?

A. retaining wall
B. breast wall
C. parapet wall
D. none of the above
Answer» C. parapet wall
75.

_Select the correct statement.$?

A. Psychological extra widening depends on the number of traffic lanes.
B. Mechanical extra widening depends on the speed of vehicle.
C. Psychological extra widening depends on the length of wheel base.
D. Psychological extra widening depends on the speed of vehicle.
Answer» E.
76.

_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
77.

_Which of the following represents hardest grade of bitumen ?$?

A. 30/40
B. 60/70
C. 80/100
D. 100/120
Answer» B. 60/70
78.

_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.
79.

_Bottom most layer of pavement is known as$?

A. wearing course
B. base course
C. sub-base course
D. subgrade
Answer» E.
80.

_As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is$?

A. 10 lux
B. 15 lux
C. 20 lux
D. 30 lux
Answer» E.
81.

_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
82.

_Which of the following is known as design capacity ?$?

A. basic capacity
B. theoretical capacity
C. possible capacity
D. practical capacity
Answer» B. theoretical capacity
83.

_Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is$?

A. 1.0
B. 2.0
C. 0.5
D. 10
Answer» B. 2.0
84.

_The maximum limit of water absorption for aggregate suitable for road construction is$?

A. 0.4 %
B. 0.6 %
C. 0.8 %
D. 1.0 %
Answer» C. 0.8 %
85.

_The entrance and exit curves of a rotary have$?

A. equal radii and equal widths of pavement
B. equal radii but pavement width is more at entrance than at exit curve
C. equal pavement widths but radius is more at entrance curve than at exit curve
D. different radii and different widths of pavement
Answer» E.
86.

_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
87.

_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.
88.

_For design, that length of transition curve should be taken which is$?

A. based on allowable rate of change of centrifugal acceleration
B. based on rate of change of super elevation
C. higher of (A) and (B)
D. smaller of (A) and (B)
Answer» D. smaller of (A) and (B)
89.

_“Dead Slow” is a$?

A. regulatory sign
B. warning sign
C. informatory sign
D. none of the above
Answer» B. warning sign
90.

_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
91.

_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
92.

_Group index method of design of flexible pavement is$?

A. A theoretical method
B. An empirical method based on physical properties of sub-grade soil
C. An empirical method based on strength characteristics of sub-grade soil
D. A semi empirical method
Answer» C. An empirical method based on strength characteristics of sub-grade soil
93.

_For highway geometric design purposes the speed used is$?

A. 15th percentile
B. 50 “”percentile
C. 85th percentile
D. 98 “”percentile
Answer» E.
94.

_In CBR test the value of CBR is calculated at$?

A. 2.5 mm penetration only
B. 5.0 mm penetration only
C. 7.5 mm penetration only
D. both 2.5 mm and 5.0 mm penetrations
Answer» E.
95.

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
96.

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
97.

If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is$?

A. 2500 vehicles per day
B. 2000 vehicles per hour
C. 2500 vehicles per hour
D. 1000 vehicles per hour
Answer» D. 1000 vehicles per hour
98.

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
99.

The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as$?

A. spot maps
B. pie charts
C. condition diagram
D. collision diagram
Answer» E.
100.

Which of the following premix methods is used for base course ?$?

A. bituminous carpet
B. mastic asphalt
C. sheet asphalt
D. bituminous bound macadam
Answer» E.