Top 150+ Solved Irrigation Engineering MCQ Questions Answer
Q. Water logging is caused due to
a. inadequate drainage facilities
b. over irrigation
c. presence of impermeable strata
d. all of these
Q. The earth's water circulatory system, is known as
a. water cycle
b. hydrologic cycle
c. precipitation cycle
d. all of these
Q. Garret's diagram gives the graphical method of designing a channel based on
a. Lacey's theory
b. Gibb's theory
c. Kennedy's theory
d. Khosla's theory
Q. The fall which can be used as a meter fall, is
a. vertical drop fall
b. flumed glacis fall
c. unflumed glacis fall
d. none of these
Q. Tortuosity of a meandering river is the ratio of
a. meander length to width of meander
b. meander length to width of river
c. curved length along the river to the direct axial length of the river
d. direct axial length of the river to the curved length along the river
Q. For irrigation purposes, the p-H value of water should be
a. between 3 and 6
b. between 6 and 8.5
c. between 8.5 and 11
d. more than 11
Q. The precipitation caused by lifting of warm moisture laden air masses due to topographic barriers, is called
a. convective precipitation
b. orographic precipitation
c. cyclonic precipitation
d. none of these
Q. Which of the following is a type of non-modular outlet?
a. Submerged pipe outlet
b. Open-flume outlet
c. Kennedy's gauge outlet
d. all of these
Q. The irrigation is necessary in an area
a. where there is a scanty rainfall
b. where the rainfall is non-uniform
c. where commercial crops require more water
d. all of the above
Q. The infertility of the soil in water-logged areas is due to
a. inhibiting activity of the soil bacteria
b. growth of weeds
c. increasing of harmful salts
d. all of these
Q. A canal outlet should
a. be so designed that the farmer cannot temper with its functioning
b. be simple so that it can be constructed or fabricated by local masons
c. draw its fare share of silt carried by the distributing channel
d. all of the above
Q. The moisture content of the soil, after free drainage has removed most of the gravity water, is known as
a. field capacity
b. saturation capacity
c. wilting co-efficient
d. available moisture
Q. A solid construction put across the river to raise its water level and divert the water into the canal, is known as
a. marginal bund
b. weir
c. barrage
d. dam
Q. The most economical section of a lined canal is
a. rectangular section with circular bottom for small discharges
b. triangular section with circular bottom for small discharges
c. trapezoidal section with rounded corners for higher discharges
d. none of the above
e. both (b) and (c)
Q. The graphical representation of average rainfall and rainfall excess (i.e. rainfall minus infiltration) rates over specified areas during successive unit time intervals during a storm is known as
a. hydrograph
b. unit hydrograph
c. hyetograph
d. none of these