Civil Engineering MCQs

2965 MCQs  (Page 148 of 297)

Trap efficiency of a reservoir is a function of_______________?
A. Capacity/inflow ratio
B. Capacity/outflow ratio
C. Outflow/inflow ratio
D. None of the above
The uplift pressure on the face of a drainage gallery in a dam is taken as_________________?
A. Hydrostatic pressure at toe
B. Average of hydrostatic pressure at toe and heel
C. Two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
D. None of the above
Hydrodynamic pressure due to earthquake acts at a height of_________________?
A. 3h/47i above the base
B. 3h747t below the water surface
C. 4h/371 above the base
D. 4h737t below the water surface where h is the depth of water
Which of the following spillways is least suitable for an earthen dam ?
A. Ogee spillway
B. Chute spillway
C. Side channel spillway
D. Shaft spillway