150 TOP Irrigation Water resources Engineering and hydrology Interview Questions and Answers

11. The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called
a)    effective rainfall
b)    consumptive use
c)    consumptive irrigation requirement
d)    net irrigation requirement
Ans: c

12.    With the increase in the quantity of water supplied, the yield of most crops
a)    increases continuously
b)    decreases continuously
c)    increases upto a certain limit and then becomes constant
d)    increases upto a certain limit and then decreases
Ans: d

13.    Hydrograph is the graphical representation of
a)    runoff and time
b)    surface runoff and time
c)    ground waterflow and time
d)    rainfall and time
 Ans: a

14.    Infiltration rate is always
a)    more than the infiltration capacity
b)    less than the infiltration capacity
c)    equal to or less than the infiltration capacity
d)    equal to or more than the infiltration capacity
Ans: c

15.    The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called
a)    hygroscopic water
b)    equivalent moisture
c)    soil moisture deficiency
d)    pellicular water
Ans: c

16.     Infiltration capacity
a)    is a constant factor
b)    changes with time
c)    changes with location
d)    changes with both time and location
 Ans: d

17.    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
Ans: a

18.    If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be
a)    equal to rate of rainfall
b)    equal to infiltration capacity
c)    more than rate of rainfall
d)    more than infiltration capacity
Ans: b

19. 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
Ans: a

20.    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
Ans: b
More Irrigation water resources engineering Questions & Answers:-
Part1 Part2 Part3 Part4 Part5 Part6 Part7 Part8 Part9 Part10