A deep well_________________?
A. Is always deeper than a shallow well
B. Has more discharge than a shallow well
C. Is weaker structurally than a shallow well
D. Both (a) and (b)
The useful storage is the volume of water stored in the reservoir between________________?
A. Minimum pool level and maximum pool level
B. Minimum pool level and normal pool level
C. Normal pool level and maximum pool level
D. River bed and minimum pool level
For a flood control reservoir, the effective storage is equal to_______________?
A. Useful storage – valley storage
B. Useful storage + surcharge storage
C. Useful storage + surcharge storage + valley storage
D. Useful storage + surcharge storage -valley storage
The uplift pressure on a dam can be controlled by_________________?
A. 1) constructing cutoff under upstream face
B. 2) constructing drainage channels bet-ween the dam and its foundation
C. 3) by pressure grouting in foundation
D. The corret answer is?
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
The major resisting force in a gravity dam is___________________?
A. Water pressure
B. Wave pressure
C. Self-weight of dam
D. Uplift pressure