Mechanical Engineering - Hydraulics and Fluid Mechanics - Discussion

Discussion Forum : Hydraulics and Fluid Mechanics - Section 3 (Q.No. 7)
7.
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)
0.5 a2gH
0.707 a2gH
0.855 a2gH
a2gH
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Rhishikesh said:   6 years ago
Thanks @Velmurugan R.

Velmurugan R said:   6 years ago
External mouthpiece Cd = 0.855.
Internal (Running full) = 0.707.
Internal (Running free) = 0.5.
Vena-Contracta = 1.
(5)

Sudhakar Gowda said:   6 years ago
Thanks @BALU.

Pan said:   8 years ago
Thanks @Balu.

Balu said:   8 years ago
Usual value of Cd is 0.855.
Running free - - Cd is 0.5.
Running full - - Cd is 0.707.
(2)

Pradeep said:   8 years ago
Option A is correct.

The discharge Running full then option B is correct.

Daka said:   9 years ago
I think it is 0.707 a√2gH for conversion Mouthpiece.

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