Irrigation, Water Resources Engineering and Hydrology

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

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)

A. straight drop spillway
B. shaft spillway
C. chute spillway
D. ogee spillway

A. sudden drawdown
B. steady seepage
C. during construction
D. sloughing of slope

A. it ensures less length of the weir
B. it gives better discharging capacity
C. it is economical
D. all of the above

A. at right angle to the axis of weir
B. parallel to the axis of weir and up-stream of it
C. parallel to the axis of weir and down-stream of it
D. at an inclination to the axis of weir

A. river bed upstream of head regulator
B. river bed downstream of head regulator
C. canal bed upstream of head regulator
D. canal bed downstream of head regulator

A. 4RS
B. 11 RS
C. 7RS
D. 15 RS

A. 19 m
B. 38m
C. 57m
D. 76m

A. zero
B. between zero and 1
C. 1
D. greater than 1