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# Fluid Mechanics Civil Engineering MCQs Part 3

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## Fluid Mechanics MCQ Part 3

In this Civil Experience article, you will get all Fluid Mechanics MCQs with answers for best practices for competitive exams to crack competitive exams will always update our article and add more and more MCQ so bookmark and share with a friend and help them in exam study preparaiton.

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## What would the intensity of excess rainfall that would be represented by a Unit hydrograph of 4 hr duration?

0.25 cm/hr would the intensity of excess rainfall that would be represented by a Unit hydrograph of 4 hr duration

## Rational formula is applicable under what condition in prediction of flood for storm of duration 1hr?

ANSWER = [B] The time of concentration at catchment outlet should be lesser than 1hr

## In hydrological routing. Storage time constant (K) represents _____

ANSWER = [A] Time required for passage of flood wave from upstream section to downstream section

In hydrological routing. Storage time constant (K) represents Time required for passage of flood wave from upstream section to downstream section

## In case of wastewater disposal in a river, minimum dissolved oxygen level occurs in the zone of

ANSWER = [B] Zone of active decomposition