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Highway Engineering - Interview Questions and Answers

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66. 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
Explanation:
67. Enoscope is used to find
A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed
Explanation:
68. 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
Explanation:
69. 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.
Explanation:
70. 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
Explanation:
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