Civil Engineering - Hydraulics - Discussion

Discussion Forum : Hydraulics - Section 1 (Q.No. 31)
31.
A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 cross-sectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is
2/g m of water
g/2 m of water
1g m of water
g m of water.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
23 comments Page 3 of 3.

Sai said:   9 years ago
Thanks @Taba Tallum.

Abhijit said:   9 years ago
Nice explanation @Taba Tallum.

Taba Tallum said:   1 decade ago
h(en) = ( v1-v2)^2 / 2g.

= (Q/A1 - Q/A2)^2 / 2g.

= (0.3/0.1 - 0.3/0.3)^2 / 2g.

= (3-1)^2 / 2g.

= 2/g m of water.
(2)


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