civil engineering Mcqs
3151. 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

3152. In highway construction, rolling starts from________________?
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A. sides and proceed to centre

B. any of the above

C. centre and proceed to sides

D. one side and proceed to other side

3153. The maximum number of vehicles beyond which the rotary may not function efficiently is______________?
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A. 500 vehicles per hour

B. 500 vehicles per day

C. 5000 vehicles per hour

D. 5000 vehicles per day

3154. The terrain may be classified as rolling terrain if the cross slope of land is______________?
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A. between 25% and 60%

B. between 10% and 25%

C. upto 10%

D. more than 60%

3155. Maximum number of vehicles can be parked with_______________?
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A. 90 angle parking

B. 45 angle parking

C. 30 angle parking

D. parallel parking

3156. In CBR test the value of CBR is calculated at_______________?
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A. 2.5 mm penetration only

B. 5.0 mm penetration only

C. 7.5 mm penetration only

D. both 2.5mm and 5.0 mm penetrations
3157. Tie bars in cement concrete pavements are at______________?
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A. longitudinal joints

B. warping joints

C. expansion joints

D. contraction joints

3158. Which of the following is considered to be the highest quality construction in the group of black top pavements ?
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A. sheet asphalt

B. bituminous concrete

C. mastic asphalt

D. bituminous carpet

3159. Bottom most layer of pavement is known as_____________?
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A. base course

B. sub-base course

C. subgrade

D. wearing course

3160. The ductility value of bitumen for suitability in road construction should not be less than____________?
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A. 50 cm

B. 60 cm

C. 40 cm

D. 30 cm

3161. The shoulder provided along the road edge should be_______________?
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A. smoother than the traffic lanes

B. rougher than the traffic lanes

C. of same colour as that of the pavement

D. of very low load bearing capacity

3162. The transition curve used in the horizontal alignment of highways as per IRC recommendations is_______________?
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A. spiral

B. lemniscate

C. any of the above

D. cubic parabola

3163. The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as_______________?
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A. sloping drain

B. side drain

C. cross drain

D. catchwater drain
3164. 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 ?
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A. road side interview method

B. return postcard method

C. home interview method

D. license plate method
3165. Reaction time of a driver_______________?
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A. none of the above

B. increases with increase in speed

C. decreases with increase in speed

D. is same for all speeds

3166. 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________________?
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A. elliptical

B. turbine

C. circular

D. tangent
3167. Maximum daily traffic capacity of bituminous pavements is______________?
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A. 2000 tonnes per day

B. 1000 tonnes per day

C. 500 tonnes per day

D. 1500 tonnes per day
3168. The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is______________?
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A. 3

B. 7

C. 5

D. 0
3169. For design, that length of transition curve should be taken which is_____________?
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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)

3170. Select the correct statement________________?
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A. Quantity of binder required for tack coat is less than that required for prime coat

B. Seal coat is the final coat over certain previous bituminous pavements

C. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction

D. A bitumen primer is a high viscosity cutback
3171. Which of the following represents hardest grade of bitumen ?
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A. 60/70

B. 100/120

C. 80/100

D. 30/40
3172. If aggregate impact value is 20 to 30 percent, then it is classified as_______________?
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A. satisfactory for road surfacing

B. exceptionally strong

C. strong

D. unsuitable for road surfacing

3173. Most suitable material for highway embankments is______________?
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A. granular soil

B. silts

C. organic soil

D. clays

3174. Scientific planning of transportation system and mass transit facilities in cities should be based on_____________?
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A. accident data

B. traffic volume data

C. origin and destination data

D. spot speed data

3175. Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?
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A. mastic asphalt

B. sheet asphalt

C. bituminous concrete

D. bituminous carpet

3176. The most efficient traffic signal system is________________?
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A. simultaneous system

B. flexible progressive system

C. simple progressive system

D. alternate system

3177. As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is_______________?
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A. 1 in 15

B. 1 in 10

C. equal to camber

D. 1 in 12.5

3178. If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is_________________?
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A. 60m

B. 30m

C. 120m

D. 180m

3179. If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be________________?
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A. less than b/2h and also less than co-efficient of lateral friction

B. greater than b/2h and less than co-efficient of lateral friction

C. greater than b/2h and also greater than coefficient of lateral friction

D. less than b/2h and greater than co-efficient of lateral friction

3180. The suitable surfacing material for a bridge deck slab is________________?
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A. mastic asphalt

B. bituminous carpet

C. sheet asphalt

D. rolled asphalt

3181. The camber for hill roads in case of bituminous surfacing is adopted as________________?
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A. 3%

B. 4%

C. 2%

D. 2.5%
3182. 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________________?
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A. spray of emulsion

B. seal coat

C. tack coat

D. prime coat

3183. The function of an expansion joint in rigid pavements is to______________?
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A. relieve warping stresses

B. allow free expansion

C. relieve shrinkage stresses

D. resist stresses due to expansion

3184. Coefficient of friction is less when the pavement surface is________________?
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A. smooth and dry

B. dry

C. smooth and wet

D. rough

3185. Softening point of bitumen to be used for read construction at a place where maximum temperature is 40 C should be______________?
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A. equal to 40C

B. none of the above

C. greater than 40C

D. less-than 40C

3186. The stopping sight distance depends upon_______________?
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A. all of the above

B. total reaction time of driver

C. speed of vehicle

D. efficiency of brakes

3187. The effect of grade on safe overtaking sight distance is_______________?
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A. to increase it on descending grades and to decrease it on ascending grades

B. to decrease it on descending grades and to increase it on ascending grades

C. to increase it on both descending and ascending grades

D. to decrease it on both descending and ascending grades

3188. The provision of traffic signals at intersections______________?
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A. reduces rear end collisions but may increase right angled collisions

B. reduces right angled and rear end collisions

C. reduces right angled collisions but may increase rear end collisions

D. increases right angled and rear end collisions

3189. Select the correct statement__________________?
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A. 85th percentile speed is more than 98th percentile speed

B. Spot speed is the average speed of a vehicle at a specified section

C. Traffic capacity should always be more than traffic volume

D. Traffic volume should always be more than traffic capacity

3190. The desirable length of overtaking zone as per IRC recommendation is equal to________________?
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A. two times the overtaking sight distance

B. overtaking sight distance

C. three times the overtaking sight distance

D. five times the overtaking sight distance
3191. Dead Slow is a______________?
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A. informatory sign

B. warning sign

C. none of the above

D. regulatory sign
3192. The camber of shoulders in water bound macadam roads is________________?
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A. greater than the cross slope of pavement

B. equal to the cross slope of pavement

C. zero

D. less than the cross slope of pavement

3193. Length of a vehicle affects________________?
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A. clearance to be provided under structures such as overbridges, under-bridges etc

B. width of traffic lanes

C. width of shoulders and parking facilities

D. extra width of pavement and minimum turning radius
3194. Select the correct statement______________?
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A. Minimum and maximum values of group index can be 0 and 20 respectively

B. all of the above

C. More the value of group index, less thickness of pavement will be required

D. More the value of CBR, greater thickness of pavement will be required

3195. The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as________________?
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A. crosswalk lines

B. lane lines

C. turn markings

D. stop lines

3196. The attainment of super elevation by rotation of pavement about the inner edge of the pavement_______________?
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A. does not change the vertical alignment of road

B. is preferable in steep terrain

C. avoids the drainage problem in flat terrain

D. results in balancing the earthwork

3197. Which of the following premix methods is used for base course ?
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A. bituminous carpet

B. sheet asphalt

C. mastic asphalt

D. bituminous bound macadam
3198. When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in______________?
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A. revolving

B. turning

C. slipping

D. skidding
3199. For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is_______________?
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A. 1 in 60

B. 1 in 48

C. 1 in 36

D. 1 in 30

3200. Which of the following shapes is preferred in a valley curve ?
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A. spiral

B. simple parabola

C. cubic parabola

D. lemniscate