civil engineering MCQs – Page 63

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
3101. Centre line markings are used_____________?
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A. in roadways meant for two way traffic

B. to indicate that overtaking is not permitted

C. to designate proper lateral placement of vehicles before turning to different directions

D. to designate traffic lanes

3102. Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is_____________?
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A. 0.5

B. 1.0

C. 10

D. 2

3103. Which of the following is known as design capacity ?
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A. possible capacity

B. basic capacity

C. theoretical capacity

D. practical capacity

3104. The critical combination of stresses for corner region in cement concrete roads is____________?
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A. load stress + warping stress + frictional stress

B. load stress + warping stress frictional stress

C. load stress + frictional stress

D. load stress + warping stress
3105. When two equally important roads cross roughly at right angles, the suitable shape of central island is________________?
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A. tangent

B. elliptical

C. circular

D. turbine

3106. If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maximum capacity of a traffic lane at a speed of 10 m/sec is________________?
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A. 2000 vehicles per hour

B. 2500 vehicles per hour

C. 3000 vehicles per hour

D. 1500 vehicles per hour
3107. For highway geometric design purposes the speed used is________________?
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A. 15th percentile

B. 50 percentile

C. 98 percentile

D. 85th percentile

3108. The sequence of four stages of survey in a highway alignment is______________?
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A. map study, preliminary survey, reconnaissance and detailed survey

B. map study, reconnaissance, preliminary survey and detailed survey

C. reconnaissance, map study, preliminary survey and detailed survey

D. preliminary survey, map study, reconnaissance and detailed survey

3109. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is______________?
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A. 20 lux

B. 30 lux

C. 15 lux

D. 10 lux

3110. In case of hill roads, the extra widening is generally provided______________?
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A. fully on the inner side of the curve

B. fully on the outer side of the curve

C. one-fourth on inner side and three-fourth on outer side of the curve

D. equally on inner and outer sides of the curve

3111. Select the correct statement_________________?
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A. Psychological extra widening depends on the number of traffic lanes.

B. Psychological extra widening depends on the length of wheel base.

C. Psychological extra widening depends on the speed of vehicle

D. Mechanical extra widening depends on the speed of vehicle.

3112. The maximum spacing of contraction joints in rigid pavements is_____________?
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A. 3.5 m

B. 4.5 m

C. 5.5m

D. 2.5 m

3113. The recommended grade of tar for grouting purpose is_______________?
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A. RT.3

B. RT-2

C. RT-5

D. RT-1

3114. In the penetration macadam construction, the bitumen is__________________?
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A. sprayed before the aggregates are spread and compacted

B. sprayed after the aggregates are spread and compacted

C. premixed with aggregates and then spread

D. none of the above

3115. Penetration test on bitumen is used for determining its_____________?
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A. grade

B. temperature susceptibility

C. ductility

D. viscosity

3116. The binder normally used in flexible pavement construction is________________?
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A. cement

B. none of the above

C. bitumen

D. lime

3117. The maximum design gradient for vertical profile of a road is______________?
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A. ruling gradient

B. minimum gradient

C. exceptional gradient

D. limiting gradient

3118. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________?
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A. no compensation

B. 10%

C. 1%

D. 0.10%

3119. In case of summit curves, the deviation angle will be maximum when_______________?
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A. an ascending gradient meets with a level surface

B. an ascending gradient meets with a descending gradient

C. an ascending gradient meets with another ascending gradient

D. a descending gradient meets with another descending gradient

3120. The method of design of flexible pavement as recommended by IRC is____________?
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A. Benkelman beam method

B. group index method

C. CBR method

D. Westergaard method

3121. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_________________?
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A. 6%

B. 4%

C. 3%

D. 5%

3122. Highway facilities are designed for_________________?
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A. annual average daily traffic

B. annual average hourly volume

C. peak hourly volume of the year

D. thirtieth highest hourly volume
3123. Flexible pavement distribute the wheel load_____________?
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A. none of the above

B. through a set of layers to the subgrade

C. directly to subgrade

D. through structural action

3124. If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be_______________?
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A. 60m

B. 64m

C. 80m

D. zero

3125. Enoscope is used to find______________?
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A. time-mean speed

B. space-mean speed

C. spot speed

D. average speed

3126. On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be_________________?
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A. more than the pressure on inner wheels

B. equal to the pressure on inner wheels

C. less than the pressure on inner wheels

3127. In soils having same values of plasticity index, if liquid limit is increased, then_____________?
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A. compressibility and permeability increase and dry strength decreases

B. compressibility and permeability decrease and dry strength increases

C. compressibility, permeability and dry strength decrease

D. compressibility, permeability and dry strength increase

3128. On a right angled road intersection with two way traffic, the total number of conflict points is______________?
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A. 18

B. 11

C. 6

D. 24
3129. For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?
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A. dry rolling, wet rolling, application of screening and application of filler

B. dry rolling, application of screening, wet rolling and application of filler

C. dry rolling, application of screening, application of filler and wet rolling

D. dry rolling, application of filler, wet rolling and application of screening

3130. Los Angeles testing machine is used to conduct______________?
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A. impact test

B. abrasion test

C. attrition test

D. crushing strength test

3131. If the group index value of subgrade is between 5 and 9, then the subgrade is treated as_____________?
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A. good

B. fair

C. poor

D. very poor

3132. When the width of kerb parking space and width of street are limited, generally preferred parking system is________________?
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A. 90 angle parking

B. 65 angle parking

C. 45 angle parking

D. parallel parking
3133. For rapid curing cutbacks, the oil used is______________?
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A. kerosene oil

B. heavy diesel

C. gasoline

D. light diesel

3134. The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as___________________?
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A. condition diagram

B. collision diagram

C. pie charts

D. spot maps

3135. Select the correct statement______________?
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A. Second 20-year plan has provided 1600 km of expressways out of the proposed National highway

B. Second 20-year plan allowed deduction of length of railway track in the area while calculating the length of roads

C. Nagpur road plan has a target road length of 32 km per 100 square km

D. Nagpur road plan formula take into account the towns with very large population

3136. 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______________?
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A. 1000000

B. 10000

C. 1000

D. 100000

3137. With increase in speed of the traffic stream, the minimum spacing of vehicles________________?
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A. decreases

B. first decreases and then increases after reaching a minimum value at optimum speed

C. first increases and then decreases after reaching a maximum value at optimum speed

D. increases
3138. Nagpur road plan formula were prepared by assuming______________?
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A. rectangular or block road pattern

B. radial or star and circular road pattern

C. radial or star and grid road pattern

D. radial or star and block road pattern

3139. The most suitable equipment for compacting clayey soils is a_______________?
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A. vibrator

B. sheep foot roller

C. pneumatic tyred roller

D. smooth wheeled roller

3140. To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by_________________?
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A. 20 kmph

B. 16kmph

C. 8 kmph

D. 12kmph

3141. The maximum width of a vehicle as recommended by IRC is________________?
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A. 2.44 m

B. 1.85m

C. 4.72 m

D. 3.81 m

3142. In hill roads the side drains arc provided________________?
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A. only on the hill side of road

B. only on the opposite side of hill

C. on both sides of road

D. none of the above

3143. Tyre pressure influences the______________?
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A. total depth of pavement

B. quality of surface course

C. both the above

D. none of the above

3144. The fundamental factor in the selection of pavement type is_____________?
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A. climatic condition

B. type and intensity of traffic

C. subgrade soil and drainage conditions

D. availability of funds for the construction project

3145. If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression_________________?
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A. 3.8 NV2

B. 0.38 (NV3)2

C. 0.38 N V3/2

D. 3.8 (NV3)2

3146. Bitumen of grade 80/100 means______________?
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A. its penetration value is 8 to 10 mm

B. its penetration value is 10 mm

C. its penetration value is 8 mm

D. its penetration value is 8 to 10 cm

3147. Which of the following is indicated by a warning sign ?
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A. overtaking prohibited

B. end of speed limit

C. level crossing

D. no parking

3148. When the speed of traffic flow becomes zero,then_______________?
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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

3149. The value of ruling gradient in plains as per IRC recommendation is______________?
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A. 1 in 12

B. 1 m 15

C. 1 in 30

D. 1 in 20

3150. The thickness of bituminous carpet varies from__________________?
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A. 20 to 25 mm

B. 50 to 75 mm

C. 100 to 120 mm

D. 75 to 100 mm