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
A. 0.5 xc
B. 0.75 TC
C. xc
D. 1.33 TC
A. submerged pipe outlet
B. Kennedy’s gauge outlet
C. Gibb’s outlet
D. none of the above
A. vertical drop fall
B. glacis fall
C. Montague type fall
D. inglis fall