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Irrigation Engineering

Irrigation Engineering
The stream which does not have any base flow contribution is called

None of these
ephemeral stream
perennial stream
intermittent stream

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Irrigation Engineering
In a Sarda type fall, the rectangular crest, may be used for discharge upto

14 cumecs
10 cumecs
6 cumecs
20 cumecs

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Irrigation Engineering
The downstream expansion head of a guide bank is extended to subtend an angle at the centre, equal to

60°
45°
30°
90°

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Irrigation Engineering
The useful storage is the volume of water stored in the reservoir between

normal pool level and maximum pool level
minimum pool level and normal pool level
river bed and minimum pool level
minimum pool level and maximum pool level

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Irrigation Engineering
If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

PC/100L
PLC/1000
PL/1000C
100 PLC

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Irrigation Engineering
Coefficient of discharge of an ogee spillway

depends on depth of approach and upstream slope
remains constant
depends on downstream apron interference and downstream submergence
both (A) and (B)

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