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 conveyance efficiency
water application efficiency
water use efficiency
None of these

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Irrigation Engineering
A divide wall is provided

At an inclination to the axis of weir
Parallel to the axis of weir and upstream of it
At right angle to the axis of weir
Parallel to the axis of weir and downstream of it

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