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Irrigation Engineering

Irrigation Engineering
For smooth entry of water in a canal, the angle between head regulator and water is generally kept

80°
110°
90°
120°

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Irrigation Engineering
A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If<="" div="">

4.5 cm
9.0 cm
7.5 cm
6.0 cm

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

operating speed
gross speed
design speed
rated speed

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Irrigation Engineering
According to Lacey, in regime conditions

Silt is kept in suspension by vertical components of eddies
Neither (a) nor (b)
Entire cross-section of the channel is generated at all points by the forces normal to the
Both (a) and (b)

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Irrigation Engineering
The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be

837 hectares/m3/sec
637 hectares/m3/sec
972 hectares/m3/sec
1172 hectares/m3/sec

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Irrigation Engineering
The measure to remove water logging of land, is

To reduce percolation from canals and water courses
Both (a) and (b)
Neither (a) nor (b)
To increase outflow from the ground water reservoir

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