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221.

The level of a canal diversion head work depends upon

A.	discharge perimeter	B.	pond level
C.	full supply level of canal	D.	all of these

222.

Rivers on alluvial plains may be

A.	meandering type	B.	aggrading type
C.	degrading type	D.	all of these

223.

An aggrading river is a

scouring

silting

224.

A degrading river is a scouring river.

Yes

225.

A river meandering through an alluvial plain has a series of consecutive curves of reversed order connected with short straight sketches, is called

A.	crossing	B.	meandering belt
C.	meandering length	D.	none of these

226.

The width of meandering belt is the

A.	transverse distance between the apex point of one curve and apex point on reverse curve	B.	axial distance along the river between tangent point of one curve and tangent point of other curve of same order
C.	axial distance along the river between the apex point of one curve and apex point on reverse curve	D.	transverse distance along the river between tangent point of one curve and tangent point of other curve of same order

227.

The degree of sinuosity is the ratio between the

A.	meander length and width of meander	B.	meander length and the width of river
C.	curved length and the straight air distance	D.	none of these

228.

Tortuosity of a meandering river is the ratio of

A.	meander length to width of meander	B.	meander length to width of river
C.	curved length along the river to the direct axial length of the river	D.	direct axial length of the river to the curved length along the river

229.

The tortuosity of a meandering river is always

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

230.

The primary cause of meandering is the excess of total charge during floods, when excess of turbulence is developed.

True

False