Top 150+ Solved Irrigation Engineering MCQ Questions Answer
Q. Infiltration capacity
a. is a constant factor
b. changes with time
c. changes with location
d. changes with both time and location
Q. Infiltration is the
a. movement of water through the soil
b. absorption of water by soil surface
c. both (a) and (b)
d. none of the above
Q. If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltrationrate will be
a. equal to rate of rainfall
b. equal to infiltration capacity
c. more than rate of rainfall
d. more than infiltration capacity
Q. Cyclonic precipitation is caused by lifting of an air mass due to
a. pressure difference
b. temperature difference
c. natural topographical barriers
d. all of the above
Q. Which of the following is a non-recording raingauge ?
a. tipping bucket type raingauge
b. Simon's raingauge
c. Steven's weighing type raingauge
d. floating type raingauge
Q. A raingauge should preferably be fixed
a. near the building
b. under the tree
c. in an open space
d. in a closed space
Q. Which of the following types of rain gauges is used for measuring rain in remote hillyinaccessible areas ?
a. tipping bucket type
b. weighing type
c. floating type
d. Simon's raingauge
Q. Rate of evaporation from a water surface increases ifi) difference of vapour pressure between water and air is increasedii) velocity of wind is decreasediii) concentration of soluble solids in water is decreased The correct answer is
a. (i) and (ii)
b. (i) and (iii)
c. (ii) and (iii)
d. (i). (ii) and (iii)
Q. A 70% index of wetness means
a. rain excess of 30%
b. rain deficiency of 30%
c. rain deficiency of 70%
d. none of the above
Q. Under the same conditions, which of the following shapes of water surface will give thehighest rate of evaporation ?
a. flat water surface
b. convex water surface
c. concave water surface
d. independent of shape of water surface
Q. Gibb's module is a type of
a. non-moduler outlet
b. semi-modular outlet
c. rigid modular outlet
d. upon flume outlet
Q. A hydrograph representing one cm of run off from a rainfall of some unit duration and specific area distribution is known as
a. hyetograph
b. flood hydrograph
c. unit hydrograph
d. S-hydrograph
Q. The first watering before sowing the crop, is known as
a. kor watering
b. paleo
c. delta
d. none of these
Q. The measure adopted to reclaim the water-logged area is
a. installation of lift irrigation schemes
b. lining of canals
c. lowering the full supply level
d. all of these