While applying the Rational formula for computing the design discharge, the rainfall duration is stipulated as the time of concentraiton because.

this leads to the smallest possible rainfall intensity

this leads to the largest possible rainfall intensity.

the time of concentraiton is the smallest rainfall duration for which the Rational formula is applicable.

the time of concentration is the largest rainfall duration for which the Rational formula is applicable.

While applying the Rational formula for computing the design discharge

1.	While applying the Rational formula for computing the design discharge, the rainfall duration is stipulated as the time of concentraiton because.
A.	this leads to the largest possible rainfall intensity.
B.	this leads to the smallest possible rainfall intensity
C.	the time of concentraiton is the smallest rainfall duration for which the Rational formula is applicable.
D.	the time of concentration is the largest rainfall duration for which the Rational formula is applicable.
Answer» B. this leads to the smallest possible rainfall intensity

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