Irrigation Engineering
The main cause of meandering is

degradation
the extra turbulence generated by the excess of river sediment during floods
None of these
presence of an excessive bed slope in the river

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

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Irrigation Engineering
In rigid module, the discharge

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

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