Civil Engineering - Hydraulics - Discussion

Discussion Forum : Hydraulics - Section 2 (Q.No. 12)
12.
The discharge through a 100 mm diameter external mouth piece fitted to the side of a large vessel is 0.05948 m3/s. The head over the mouth piece is
2 m
2.5 m
3.0 m
4.0 m.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
10 comments Page 1 of 1.

Masood khan said:   4 years ago
This loss of head, sometimes, reduces the coefficient of discharge by a small amount (up to 0.82). But, for all practical purposes, the value of coefficient of discharge is taken as 0.855.

Anonymous said:   4 years ago
For external mouthpiece Cd = 1.
So, the Ans must be 3 m.

Achumi kits said:   5 years ago
What does "A" signifies here? Please explain.

Rabin Das said:   5 years ago
Thanks all.

Zia said:   6 years ago
Option D is correct.

Rajesh Ata said:   6 years ago
Q = .855a * (2gH)^1/2.

.05948 =.855*(3.14*.1*.1/4) * (2*9.81*H)^1/2.
H = 3.998 m.
(4)

Anurag said:   7 years ago
Yes, right @Abhishek Anand.

Abhishek Anand said:   8 years ago
Q=.855a * (2gH)^1/2.
.05948 =.855*(3.14*.1*.1/4) * (2*9.81*H)^1/2.
H = 3.998 m.
(1)

Kali said:   9 years ago
@Ambily.

It is not .82 it is 0.855.
(1)

Ambily said:   1 decade ago
Q = 0.82 A (2gH)^0.5.

0.05948 = 0.82*(3.14*.1*.1)/4*(2*9.81*H)^0.5.

= 9.24 = (2*9.81*H)^0.5.

H = 4.35.
(1)

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