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
Which one of the following statements is correct?

The canal system and the drainage system are complementary
All listed here
The canal system runs on ridges, gets divided into smaller channels and spreads its water on the land
The drainage system runs along the lowest line, collects drainage water from the slopes and joins the main stream

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Irrigation Engineering
The flow-mass curve is graphical representation of

Discharge and percentage probability of flow being equaled or exceeded
Cumulative discharge and time
Cumulative discharge, volume and time in chronological order
Discharge and time in chronological order

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