Top 150+ Solved Irrigation Engineering MCQ Questions Answer
Q. If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be
a. 1 + (0.9)010
b. 1 - (0.9)°l0
c. 1/(1-0.9°10)
d. 1/(1+ 0.9010)
Q. A baffle wall is a sort of low weir constructed at the end of the cistern to
a. head up water to its upstream to such a height that hydraulic jump is formed
b. withstand the actual impact of the high velocity jet to dissipate the energy
c. both (a) and (b)
d. none of the above
Q. Distributary head regulators are provided
a. to control the supplies to the off-taking channel
b. to control the silt entry in the off-taking canal
c. to stop the supply, when not needed, in the off-taking canal
d. all of the above
Q. Which of the following is a type of semi-module outlet?
a. Submerged pipe outlet
b. Open flume outlet
c. Kennedy's gauge outlet
d. all of these
Q. The bed of a canal is lowered in case of
a. syphon aqueduct
b. canal syphon
c. level crossing
d. all of these
Q. Inglis formula is used for estimating flood discharge for
a. the catchments of former Bombay Presidency
b. the catchments of oil Hyderabad State
c. the Madras catchments
d. none of the above
Q. Lining of a canal
a. assures economical water distribution
b. reduces possibility of breaching
c. increases available head for power generation
d. all of the above
Q. Which of the following statements is wrong?
a. The top of dowel is kept above the free supply level by a margin of free board.
b. The dowels are provided as a measure of safety for automobiles driven on the service roads
c. The dowels act as curbs on the side of roadway towards the canal
d. none of the above
Q. The berms when fully formed
a. reduce the absorption losses and prevents leaks
b. protect the bank from erosion because of wave action
c. provide a scope for future widening the channel
d. all of the above
Q. A useful soil moisture for plant growth is
a. capillary water
b. gravitational water
c. hygroscopic water
d. all of these