IRRIGATION ENGINEERING QUIZ

higher level

same level

lower level

any of the above depending on the design

hydrostatic pressure at toe

average of hydrostatic pressure at toe and heel

None of these

two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel

B = 0.55 √(H + d)

B = 0.22 √(H + d)

B = 0.33 √(H + d)

B = 0.44 √(H + d)

A depth of 50 cm are saturated

Root zone of the crops are saturated

All listed here

A depth of 40 cm are saturated

increase in permeability of soil

All of these

increase in intensity of rain

increase in infiltration capacity

Over 100 cumecs

30 to 60 cumecs

30 to 33 cumecs

Over 60 cumecs

To measure the discharge

To control the silting

To raise the supply level

To watch the general behavior of canal

degradation

the extra turbulence generated by the excess of river sediment during floods

None of these

presence of an excessive bed slope in the river

rainfall excess

discharge

rainfall duration

time base of direct runoff

a low head scheme

None of these

a medium head scheme

a high head scheme