Water Resources Engineering and Hydrology MCQs

A. 0

B. unity

C. infinity

D. very large

A. it ensures less length of the weir

B. it gives better discharging capacity

C. it is economical

D. all of the above

A. N/(m+l)

B. m/(N+l)

C. m/N

D. (N+l)/m

A. is a constant factor

B. changes with time

C. changes with location

D. changes with both time and location

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. are costlier

B. are less susceptible to failure

C. require sound rock foundations

D. require less skilled labour

A. uniform

B. subcritical

C. critical

D. super critical

A. control the silt entry in the canal

B. prevent river floods from entering the canal

C. separate the undersluices from weir proper

D. provide smooth flow at sufficiently low velocity

A. same duration only

B. same and shorter duration

C. same and longer duration

D. any duration

A. is a medium head scheme

B. generates power during peak hours only

C. is suitable only on a perennial river

D. has no pondage at all