Ask a Question

Estimate the wetted perimeter of a circular channel having radius R and depth d, if the angle subtended at the centre is Ɵ.

← Prev Question Next Question →
+1 vote
in Fluid Mechanics by (118k points)
Estimate the wetted perimeter of a circular channel having radius R and depth d, if the angle subtended at the centre is Ɵ.

(a) ^RƟ⁄2

(b) RƟ

(c) 2RƟ

(d) 3RƟ

I got this question during an internship interview.

This interesting question is from Most Economic Circular Section topic in portion Flow in Open Channels of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
selected by
 
Best answer
Correct choice is (c) 2RƟ

Easiest explanation: Wetted Perimeter = Arc ABC

P = R(2Ɵ).

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community

Categories

Powered by TalkJarvis
...