IRRIGATION ENGINEERING QUIZ

Lining of irrigation channels

decreases the waterlogging area

does not change the water logging area

None of these

increases the waterlogging area

TRUE ANSWER : ?
YOUR ANSWER : ?

When the reservoir is full, the maximum compressive force in a gravity dam is produced

at the heel

at the toe

at centre of base

within the middle third of base

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less

Populated area

Forest area

Fallow land

Alkaline area

TRUE ANSWER : ?
YOUR ANSWER : ?

Attracting groynes are built

Inclined up stream

Perpendicular to the bank

None of these

Inclined down stream

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following can be used as a meter fall ?

vertical drop fall

flumed glacis fall

All of these

unflumed glacis fall

TRUE ANSWER : ?
YOUR ANSWER : ?

If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be

30 minutes

15 minutes

20 minutes

60 minutes

TRUE ANSWER : ?
YOUR ANSWER : ?

The useful moisture of soil, is equal to its

Moisture content at permanent wilting point

Saturation capacity

Field capacity

Difference between filed capacity and permanent wilting point within the root zone of plants

TRUE ANSWER : ?
YOUR ANSWER : ?

As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at

higher level

same level

any of the above depending on the design

lower level

TRUE ANSWER : ?
YOUR ANSWER : ?

The width of a dowla is generally kept between 30 to 60 cm and its height above the road level should invariably be more than

10 cm

40 cm

20 cm

30 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

Useful soil moisture for plant growth, is

Gravity water

Chemical water

Hygroscopic water

Capillary water

TRUE ANSWER : ?
YOUR ANSWER : ?

↑