Civil Engineering MCQs

2965 MCQs  (Page 156 of 297)

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?
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 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
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 unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of_________________?
A. Same duration only
B. Same and shorter duration
C. Same and longer duration
D. Any duration
The best unit duration of storm for a unit hydrograph is________________?
A. 1 hour
B. One-fourth of basin lag
C. One-half of basin lag
D. Equal to basin lag