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91.

A side slope canal, cross-drainage works are completely eliminated.

Agree

Disagree

92.

A contour canal

A.	is most suitable in hilly areas	B.	irrigates only on one side
C.	is aligned parallel to the contour of the country	D.	all of the above

93.

Which of the following is the correct sequence of the parts of a canal system?

A.	Head works, distributary, branch canals and minor.	B.	Head works, main canal, branch canal, distributary and minor.
C.	Head works, main canal, branch canal, minor and distributary.	D.	none of the above

94.

In a canal section, which is in partial filling and partial cutting

A.	the full supply level of the canal is above the natural surface level	B.	the bed level of the canal is below the natural surface level
C.	the full supply level of the canal is below the natural surface level	D.	the bed level of the canal is above the natural surface level
E.	both (a) and (b)

95.

The narrow strip of land left at the ground level between the inner toe of the bank and top edge of the cutting, is known as

A.	free board	B.	dowel
C.	inspection roadway	D.	berm

96.

The gap or margin of height, between full supply level (F.S.L.) and top of the bank is called

A.	free board	B.	dowel
C.	inspection roadway	D.	berm

97.

The berms when fully formed

A.	reduce the absorption losses and prevents leaks	B.	protect the bank from erosion because of wave action
C.	provide a scope for future widening the channel	D.	all of the above

98.

Which of the following statements is wrong?

A.	The top of dowel is kept above the free supply level by a margin of free board.	B.	The dowels are provided as a measure of safety for automobiles driven on the service roads
C.	The dowels act as curbs on the side of roadway towards the canal	D.	none of the above

99.

The free board in a channel is governed by the

A.	size of the canal	B.	location of the canal
C.	water surface fluctuations	D.	all of these

100.

The berms provide additional strength to banks and thus make it safe against breaches.

True

False