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151.

The capacity of escape channel should not be less than

A.	20%	B.	30%
C.	40%	D.	50%

152.

A fall, which maintains the depth is a

A.	trapezoidal notch fall	B.	rectangular notch fall
C.	low weir fall	D.	all of these

153.

For a canal which irrigate the area directly, the fall should be provided at a location where the F.S.L. outstrips the gound level, but before the bed of the canal comes into filling.

Right

Wrong

154.

The Sarda canal has a

A.	glacis type fall	B.	vertical drop fall
C.	Ogee fall	D.	rapid fall

155.

In Sarda type fall, the length of the crest is kept

A.	more than	B.	equal to
C.	less than

156.

In a Sarda type fall, the trapezoidal crest is used for discharges over 14 m3/s.

Correct

Incorrect

157.

For a discharge of 4m3/s in Sarda type fall,

rectangular

trapezoidal

158.

A baffle wall is a sort of low weir constructed at the end of the cistern to

A.	head up water to its upstream to such a height that hydraulic jump is formed	B.	withstand the actual impact of the high velocity jet to dissipate the energy
C.	both (a) and (b)	D.	none of the above

159.

In an Inglis type fall, the baffle holds the jump stable on a horizontal platform.

Agree

Disagree

160.

A parabolic glacis type fall is commonly known as

A.	Montague fall	B.	Inglis fall
C.	Sarda fall	D.	vertical type fall