Engineering :: Irrigation Engineering

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31.

The duty of irrigation water will be less if

A.	area irrigated is more	B.	water supply required is less
C.	water supply required is more	D.	none of these

32.

The area in which crop is grown at a particular time or crop season, is called

A.	gross commanded area	B.	culturable commanded area
C.	culturable uncultivated area	D.	none of these

33.

The first watering before sowing the crop, is known as

A.	kor watering	B.	paleo
C.	delta	D.	none of these

34.

The first watering, when the crop has grown a few centimetres, is called paleo.

Agree

Disagree

35.

The crops require maximum water during

A.	first watering before sowing the crops	B.	last watering before harvesting
C.	first watering when the crop has grown a fwd centimetres	D.	all of the above

36.

The maximum depth in soil strata, in which the crop spreads its root system, and derives water from the soil, is called

A.	kot depth	B.	root zone depth
C.	delta	D.	overlap allowance

37.

The depth of root zone is 90 cm for

A.	wheat	B.	sugar cane
C.	rice	D.	cotton

38.

The duty of a crop is 432 hectares per cumec when the base period of the crop is 100 days. The delta for the crop will be

A.	100	B.	200
C.	432	D.	864

39.

The duty at outlet is called capacity factor.

Correct

Incorrect

40.

The average delta of rice crop is nearly

A.	30 cm	B.	60 cm
C.	120 cm	D.	150 cm