Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 17 (Q.No. 24)
24.
Consider the following statements :
1. Water hammer can develop in an unsteady flow only.
2. Time required for rapid closure of valve is between 2 L/C and 4 L/C where L is the pipe length and C is the celerity of wave.
3. In flexible water column theory, pipe may expand and water may compress in the flow system.
4. Joukowskyhas carried out the mathematical analysis of water hammer.
Which is the above statements relating to water hammer in pipes are correct ?
1. Water hammer can develop in an unsteady flow only.
2. Time required for rapid closure of valve is between 2 L/C and 4 L/C where L is the pipe length and C is the celerity of wave.
3. In flexible water column theory, pipe may expand and water may compress in the flow system.
4. Joukowskyhas carried out the mathematical analysis of water hammer.
Which is the above statements relating to water hammer in pipes are correct ?
Discussion:
2 comments Page 1 of 1.
ABHISHEK said:
4 years ago
But 2nd point is also wrong time less than 2L/C then it is rapid.
Rahul said:
3 years ago
@Abhishek,
Yes, 2nd point is also wrong.
For sudden closer <2L/C.
For gradual closer >2L/C.
Yes, 2nd point is also wrong.
For sudden closer <2L/C.
For gradual closer >2L/C.
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers