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Irrigation Engineering

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

rated speed
operating speed
design speed
gross speed

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Irrigation Engineering
The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as

water use efficiency
None of these
water conveyance efficiency
water application efficiency

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Irrigation Engineering
The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be

50 cm
60 cm
55 cm
56 cm

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Irrigation Engineering
If average particle size of the silt in millimeters is m, the Lacey's silt factor f is proportional to

m2/3
m3
m1/2
m1/3

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Irrigation Engineering
A multipurpose reservoir is the one which is

None of these
planned and constructed to serve various purposes
both (A) and (B)
designed for one purpose but serves more than one purpose

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Irrigation Engineering
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally

0.20902777777778
0.12569444444444
0.084027777777778
0.16736111111111

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