Civil Engineering MCQs

2965 MCQs  (Page 22 of 297)

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
With increase in speed of the traffic stream, the maximum capacity of the lane________________?
A. Increases
B. Decreases
C. First increases and then decreases after reaching a maximum value at optimum speed
D. First decreases and then increases after reaching a minimum value at optimum speed
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
Which of the following is indicated by a warning sign ?
A. Level crossing
B. No parking
C. End of speed limit
D. Overtaking prohibited
The most efficient traffic signal system is________________?
A. Simultaneous system
B. Alternate system
C. Flexible progressive system
D. Simple progressive system