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Hydraulics

Q1:

Hydraulic radius is equal to

A area divided by the square of wetted perimeter

B area divided by wetted perimeter

C wetted perimeter divided by area

D square root of the area.

ANS:B - area divided by wetted perimeter

The hydraulic radius ℎRh​ is defined as the ratio of the cross-sectional area of flow to the wetted perimeter in an open channel or pipe. It is a measure of the efficiency of a channel or pipe to convey flow. The correct definition of the hydraulic radius is: Rh​= Area/Wetted perimeter  ​ Therefore, the correct option is: area divided by wetted perimeter.



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