Irrigation Engineering
The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD) curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be

None of these
more than 100 mm
less than 100 mm
100 mm

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Irrigation Engineering
In rigid module, the discharge

Depends upon the water level in distributary
Depends upon the water levels of both, i.e. distributary and water course
Depends upon the water level in the water course
Is independent of water levels in the distributary and water course

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Irrigation Engineering
Effective precipitation for a crop may be defined as

Total precipitation minus the loss due to evaporation
Available water stored in soil within root zone of the crop
Total precipitation minus the loss due to infiltration
Total precipitation during the crop period

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