Irrigation Engineering
Pick up the correct sequence of the part of a canal system from the following

Head work-distributary-branch canal-minor
Head works-main canal-branch canal-minor-distributary
Heads works-branch canal-main canal distributary, minor
Head works-main canal-branch canal-distributary-minor

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

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