Mechanical Engineering - Hydraulic Machines - Discussion

Discussion Forum : Hydraulic Machines - Section 1 (Q.No. 5)
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by
H = Hg/hf
H = Hg x hf
H = Hg + hf
H = Hg - hf
Answer: Option
No answer description is available. Let's discuss.
3 comments Page 1 of 1.

Jobanjeet singh said:   8 years ago
We have total head is equal to Hg and loss of head due to friction is Hf. So the net head is equal to the difference b/w Hg - Hf.

Dhiru said:   10 years ago
Hg equal to difference of net head to friction head.

Pradeep said:   1 decade ago
h is known as gross head.

And hf is known as head produced due to friction force = 4flv*2/2gh.

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