1000+ Irrigation Engineering GATE Questions and Answers - 2

Question: 6

In border flooding type of water distribution in the forms, the supply ditch is in the form of

(A) underground concrete pipe having risers at intervals

(B) Earthen channel

(C) lined channel

(D) any one of the above

Question: 7

For sands greater than the standard, the critical velocity ratio is _____ one.

(A) equal

(B) more than

(C) equal or more than

(D) less than

Question: 8

The main function of a divide wall is to

(A) separate the undersluices from weir proper

(B) provide smooth flow at sufficiently low velocity

(C) prevent river floods from entering the canal

(D) control the silt entry in the canal

Question: 9

Which of the following can be used as a meter fall?

(A) flumed glacis fall

(B) vertical drop fall

(C) unflumed glacis fall

(D) all of the above

Question: 10

In a flow-mass curve study, the demand line drawn from a ridge does not intersect the mass curve again. This implies that

(A) the reservoir is not full at the beginning

(B) the demand cannot be met by the inflow as the reservoir will not refill

(C) the reservoir is washing water by spill

(D) the storage is not adequate