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Irrigation Engineering

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

60°
90°
30°
45°

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Irrigation Engineering
Horizontal acceleration due to earthquake results in

inertia force into the body of the dam
hydrodynamic pressure
None of these
both (A) and (B)

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Irrigation Engineering
A hydroelectric scheme operating under a head of 80 m will be classified as

low head scheme
medium head scheme
None of these
high head scheme

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Irrigation Engineering
For wave action in dams, the maximum height of freeboard is generally taken to be equal to (where hw is height of wave.)

0.5 hw
1.50 hw
1.25 hw
0.75 hw

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Irrigation Engineering
Side slopes generally kept for canals in loam soil, are:

Both (A) and (B)
Neither (A) nor (B)
1½ : 1 in cutting and 2 : 1 in filling
1 : 1 in cutting and 1½ : 1 in filling

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Irrigation Engineering
A runoff river plant is

None of these
a medium head scheme
a high head scheme
a low head scheme

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