Irrigation Engineering
The length and width of a meander and also the width of the river, vary roughly as

Discharge
Square root of the discharge
Square of the discharge
Cube of the discharge

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Irrigation Engineering
Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas.Reason R : Rainfall gradient is steep.Select your correct answer according to the coding system given below :

A is false but R is true
A is true but R is false
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A

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Irrigation Engineering
Effective precipitation for a crop may be defined as

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

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