1701. “Dead Slow” is a______________?
A. regulatory sign
B. warning sign
C. informatory sign
D. none of the above
✅ The correct answer is option A.
Civil Engineering
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1702. 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
✅ The correct answer is option A.
1703. In which of the following the friction drag is generally larger than pressure drag?
A. a circular disc or plate held normal to flow
B. a sphere
C. a cylinder
D. an airfoil
✅ The correct answer is option D.
1704. The maximum design gradient for vertical profile of a road is______________?
A. ruling gradient
B. limiting gradient
C. exceptional gradient
D. minimum gradient
✅ The correct answer is option A.
1705. For rapid curing cutbacks, the oil used is______________?
A. gasoline
B. kerosene oil
C. light diesel
D. heavy diesel
✅ The correct answer is option A.
1706. The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is_________________?
A. d > m > e
B. d > e > m
C. e > m > d
D. e > d > m
✅ The correct answer is option D.
1707. Stopping sight distance is always_______________?
A. less than overtaking sight distance
B. equal to overtaking sight distance
C. more than overtaking sight distance
D. none of the above
✅ The correct answer is option A.
1708. An open cubical tank of 2 m side is filled with water. If the tank is rotated with an acceleration such that half of the water spills out, then the acceleration is equal to_______________?
A. g/3
B. g/2
C. 2g/3
D. g
✅ The correct answer is option D.
1709. 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
✅ The correct answer is option A.
1710. The motion of air mass in a tornado is a________________?
A. free vortex motion
B. forced vortex motion
C. free vortex at center and forced vortex outside
D. forced vortex at center and free vortex outside
✅ The correct answer is option D.