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Irrigation Engineering

Irrigation Engineering
The net speed under which the turbine reaches its peak efficiency is called

operating speed
rated speed
gross speed
design speed

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Irrigation Engineering
Lacey's equation for calculating flood discharge in rivers, is

V = 10.8 R2/3 S1/2
V = 10.8 R2/3 S1/3
V = 10.8 R1/3 S2/3
V = 10.8 R1/2 S1/2

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Irrigation Engineering
The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of

any duration
same and shorter duration
same duration only
same and longer duration

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Irrigation Engineering
A fall in a canal bed is generally provided, if

Designed bed slope exceeds the ground slope
None of these
Ground slope exceeds the designed bed slope
Ground slope is practically the same as the designed bed slope

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Irrigation Engineering
Horizontal acceleration due to earthquake results in

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

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Irrigation Engineering
An aggrading river is a

both silting and scouring river
scouring river
neither silting nor scouring river
silting river

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