Irrigation Engineering
An artesian aquifer is the one where

water is under pressure between two impervious strata
water surface under the ground is at atmospheric pressure
None of these
water table serves as upper surface of zone of saturation

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Irrigation Engineering
Effective precipitation for a crop may be defined as

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

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

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