Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 10 (Q.No. 47)
47.
Hydraulic radius of 6" x 12" cross-section, is __________ inches.
2
0.5
1.5
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

TANMAY SHAH said:   2 years ago
Hydraulic radius = wetted c.s. area/wetted perimeter.

RAJKUMAR PEGU said:   3 years ago
Yes, I agreed with @Ushnish Ray.

Chem said:   8 years ago
For rectangle hydraulic radius is = 6 * 12/2(6+12).
= 2.
(1)

Ushnish Roy said:   9 years ago
It should be 3.

As m=A/P, A = 6 * 12, P= 2*6 + 12=24 = 4 * 6.

So, m=3.
(2)

Soni said:   9 years ago
Please explain the answer.
(1)

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