A. Vortex pipes
B. Silt excluders
C. Silt ejectors
D. All are correct
Related Mcqs:
- An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?
A. Bye-wash
B. paved-escape
C. Water escape
D. Disposal channel - generally useful life of a reservoir is considered terminated when its -gross storage is reduced by _______________ of the design capacity of the reservoir?
A. 100%
B. 80%
C. 50% l
D. 20% - To dispose of the surplus water from dam, a water way is constructed called________________?
A. Water escape
B. Spillway
C. Channel
D. All are correct - The stability analysis of earth dam founded on cohesion less silt material be made against_____________________?
A. Shear
B. Turning
C. Sinking
D. Buckling - When the reservoir is full, the maximum compressive force in a gravity dam is produced ___________________?
A. At the toe
B. At the heel
C. Within the middle third of base
D. At centre of base - The height from the top of the embankment to the normal water level in canal .Dam – Reservoir etc, which allows for small waves to splash without over flow is called___________________?
A. Free board
B. Free space
C. Free faced
D. Free end – - During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?
A. Influent stream
B. Effluent stream
C. Storm water stream
D. Seepage stream - The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called______________________?
A. Under sluices
B. Head sluices
C. Scouring sluices
D. Sluice gates - According to Kennedy’s silt theory , the critical velocity is directly proportional to depth of flow _____________________?
A. D0.64
B. D0.65
C. D0.66
D. D0.67 - Silt free water should be supplied to the canals through______________________?
A. Under sluices
B. Head sluices
C. Scouring sluices
D. Sluice gates
