Civil Engineering MCQs

2965 MCQs  (Page 155 of 297)

Coefficient of discharge of an ogee spillway________________?
A. Depends on depth of approach and upstream slope
B. Depends on downstream apron interference and downstream submergence
C. Remains constant
D. Both (a) and (b)
The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?
A. At right angle and parallel to weir crest
B. Parallel and at right angle to weir crest
C. Parallel to weir crest in both
D. At right angle to weir crest in both
Main purpose of mean water training for rivers is________________?
A. Flood control
B. To provide sufficient depth of water in navigable channels, during low water periods
C. To preserve the channel in good shape by efficient disposal of suspended and bed load
D. All of the above
Seepage through embankments in an earthen dam is controlled by_______________?
A. Drainage filters
B. Relief wells
C. Drain trenches
D. Provision of downstream berms
As compared to gravity dams, earthen dams__________________?
A. Are costlier
B. Are less susceptible to failure
C. Require sound rock foundations
D. Require less skilled labour
The major resisting force in a gravity dam is___________________?
A. Water pressure
B. Wave pressure
C. Self-weight of dam
D. Uplift pressure
Horizontal acceleration due to earthquake results in______________?
A. Hydrodynamic pressure
B. Inertia force into the body of the dam
C. Both (a) and (b)
D. None of the above