Mechanical Engineering - Hydraulic Machines - Discussion

Discussion Forum : Hydraulic Machines - Section 1 (Q.No. 5)
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
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Jobanjeet singh said:   9 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.
(1)

Dhiru said:   1 decade ago
Hg equal to difference of net head to friction head.
(1)

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.
(1)

Post your comments here:

Your comments will be displayed after verification.