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Irrigation Engineering

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

operating speed
design speed
rated speed
gross speed

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Irrigation Engineering
In Montague type fall

A circular glacis is provided
A straight glacis is provided
A parabolic glacis is provided
No glacis is provided

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Irrigation Engineering
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls

Of R.C.C. or steel plate 8 cm thick
Of height ⅓rd to ¼th the depth of water in the main canal
Spaced at interval of 1½ times their heights
All listed here

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Irrigation Engineering
Generally the weir is aligned at right angles to the direction of the main river current because

It ensures less length of the weir
It is economical
All of these
It gives better discharging capacity

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Irrigation Engineering
The Lacey's regime velocity is proportional to

R2/3 S1/2
Q3/4 S1/3
R3/4 S1/3
R1/2 S3/4

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Irrigation Engineering
A runoff river plant is

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

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