MCQOPTIONS
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MCQOPTIONS
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.
| 101. |
If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is_________________? |
| A. | 30m |
| B. | 60m |
| C. | 120m |
| D. | 180m |
| Answer» C. 120m | |
| 102. |
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 | |
| 103. |
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 | |
| 104. |
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_________________? |
| A. | 0.38 N V3/2 |
| B. | 0.38 (NV3)”2 |
| C. | 3.8 NV”2 |
| D. | 3.8 (NV3)”2 |
| Answer» C. 3.8 NV”2 | |
| 105. |
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 % | |
| 106. |
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________________? |
| A. | less than b/2h and greater than co-efficient of lateral friction |
| B. | less than b/2h and also less than co-efficient of lateral friction |
| C. | greater than b/2h and less than co-efficient of lateral friction |
| D. | greater than b/2h and also greater than coefficient of lateral friction |
| Answer» C. greater than b/2h and less than co-efficient of lateral friction | |
| 107. |
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_______________? |
| A. | zero |
| B. | 64m |
| C. | 80m |
| D. | 60m |
| Answer» E. | |
| 108. |
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 | |
| 109. |
Highway facilities are designed for_________________? |
| A. | annual average hourly volume |
| B. | annual average daily traffic |
| C. | thirtieth highest hourly volume |
| D. | peak hourly volume of the year |
| Answer» D. peak hourly volume of the year | |
| 110. |
Group index method of design of flexible pavement is_______________? |
| A. | a theoretical method |
| B. | an empirical method based on physical properties of subgrade soil |
| C. | an empirical method based on strength characteristics of subgrade soil |
| D. | a semi empirical method |
| Answer» C. an empirical method based on strength characteristics of subgrade soil | |
| 111. |
For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is_______________? |
| A. | 1 in 30 |
| B. | 1 in 36 |
| C. | 1 in 48 |
| D. | 1 in 60 |
| Answer» C. 1 in 48 | |
| 112. |
For the design of super elevation for mixed traffic conditions, the speed is reduced by_____________? |
| A. | 15% |
| B. | 20% |
| C. | 25% |
| D. | 75% |
| Answer» D. 75% | |
| 113. |
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 | |
| 114. |
For rapid curing cutbacks, the oil used is______________? |
| A. | gasoline |
| B. | kerosene oil |
| C. | light diesel |
| D. | heavy diesel |
| Answer» B. kerosene oil | |
| 115. |
For highway geometric design purposes the speed used is________________? |
| A. | 15th percentile |
| B. | 50 “”percentile |
| C. | 85th percentile |
| D. | 98 “”percentile |
| Answer» E. | |
| 116. |
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) | |
| 117. |
For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________? |
| A. | increase in both speed and radius of curve |
| B. | decrease in both speed and radius of curve |
| C. | increase in speed and with decrease in radius of curve |
| D. | decrease in speed and with increase in radius of curve |
| Answer» E. | |
| 118. |
Flexible pavement distribute the wheel load_____________? |
| A. | directly to subgrade |
| B. | through structural action |
| C. | through a set of layers to the subgrade |
| D. | none of the above |
| Answer» D. none of the above | |
| 119. |
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 | |
| 120. |
Enoscope is used to find______________? |
| A. | average speed |
| B. | spot speed |
| C. | space-mean speed |
| D. | time-mean speed |
| Answer» C. space-mean speed | |
| 121. |
Desire lines are plotted in_________________? |
| A. | traffic volume studies |
| B. | speed studies |
| C. | accident studies |
| D. | origin and destination studies |
| Answer» E. | |
| 122. |
“Dead Slow” is a______________? |
| A. | regulatory sign |
| B. | warning sign |
| C. | informatory sign |
| D. | none of the above |
| Answer» B. warning sign | |
| 123. |
Compared to a level surface, on a descending gradient the stopping sight distance is_______________? |
| A. | less |
| B. | more |
| C. | same |
| D. | dependent on the speed |
| Answer» C. same | |
| 124. |
Coefficient of friction is less when the pavement surface is________________? |
| A. | rough |
| B. | dry |
| C. | smooth and dry |
| D. | smooth and wet |
| Answer» E. | |
| 125. |
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 | |
| 126. |
Camber in the road is provided for_______________? |
| A. | effective drainage |
| B. | counteracting the centrifugal force |
| C. | having proper sight distance |
| D. | none of the above |
| Answer» B. counteracting the centrifugal force | |
| 127. |
Bottom most layer of pavement is known as_____________? |
| A. | wearing course |
| B. | base course |
| C. | sub-base course |
| D. | subgrade |
| Answer» E. | |
| 128. |
Bitumen of grade 80/100 means______________? |
| A. | its penetration value is 8 mm |
| B. | its penetration value is 10 mm |
| C. | its penetration value is 8 to 10 mm |
| D. | its penetration value is 8 to 10 cm |
| Answer» D. its penetration value is 8 to 10 cm | |
| 129. |
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. | |
| 130. |
As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is_______________? |
| A. | 1 in 15 |
| B. | 1 in 12.5 |
| C. | 1 in 10 |
| D. | equal to camber |
| Answer» B. 1 in 12.5 | |
| 131. |
A traffic rotary is justified where______________? |
| A. | number of intersecting roads is between 4 and 7 |
| B. | space is limited and costly |
| C. | when traffic volume is less than 500 vehicles per hour |
| D. | when traffic volume is more than 5000 vehicles per hour |
| Answer» B. space is limited and costly | |
| 132. |
The correct formula for calculating superelevation for the hill roads, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 133. |
The safe stopping sight distance D, may be computed from the equation |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 134. |
While designing hair pin bends on higways, the minimum |
| A. | designed speed is 20 km/hour |
| B. | gradient is 1 in 40 |
| C. | gradient is 1 in 200 |
| D. | superelevations is 1 in 10 |
| E. | All the above. |
| Answer» F. | |
| 135. |
The safe length L of a valley curve for night travel is |
| A. | [A]. |
| B. | [B]. |
| C. | neither (a) nor (b) |
| D. | both (a) and (b) |
| Answer» E. | |
| 136. |
If N is deviation angle the length L of a parabolic vetical curve for overtaking sight distance S, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| E. | Both (A) and (C) |
| Answer» F. | |
| 137. |
If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| E. | both (a) and (b) |
| Answer» F. | |
| 138. |
If V is speed in km/hour and R is radius of the curve, the superelevation e is equal to |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 139. |
Minimum radius of a simple circular curve deflecting through 5°, is |
| A. | 1618.9 m |
| B. | 1816.9 m |
| C. | 1718.9 m |
| D. | 1817.9 m |
| Answer» D. 1817.9 m | |
| 140. |
From the point of tangency before an intersection, the route markers are fixed at a distance of |
| A. | 15 m to 30 m |
| B. | 20 m to 35 m |
| C. | 40 m to 50 m |
| D. | 50 m to 75 m |
| E. | 100 m to 150 |
| Answer» F. | |
| 141. |
In complex situations, total time required for a driver to form a judgement and to act, may be taken as |
| A. | 1.0 sec |
| B. | 1.5 sec |
| C. | 2.0 sec |
| D. | 2.5 sec |
| E. | 3.0 sec |
| Answer» F. | |
| 142. |
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/cm2, 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 | |
| 143. |
If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» E. | |
| 144. |
For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of |
| A. | Westergard's formula |
| B. | Kelly's formula |
| C. | Goldbeck's formula |
| D. | Spanlar's formula |
| E. | Picker's formula. |
| Answer» F. | |
| 145. |
If E is the modulus of elasticity of the concrete in kg/cm2, d is the slab thickness in cm, is the Poisson's ratio for the concrete, k is the sub-grade modulus kg/cm3, the radius r of relative stiffness in cm, |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 146. |
The formula for calculating the depth of concrete pavements suggested by Goldbeck, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 147. |
If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| E. | [E]. |
| Answer» B. [B]. | |
| 148. |
If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| E. | [E]. |
| Answer» E. [E]. | |
| 149. |
If V is the design speed in km/hour and R is the radius of the curve of a hill road, the super-elevation |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 150. |
Alignment of highways in hilly regions, is decided on |
| A. | long stretch of very hard cutting |
| B. | number of river crossings |
| C. | natural unstable areas |
| D. | saddles or passes |
| E. | all the above. |
| Answer» F. | |