Civil Engineering - UPSC Civil Service Exam Questions - Discussion


Which of the following assumptions are made in the analysis of jet impinging normally on a moving plate?
1. Friction between jet and plate is neglected
2. Flow is steady
3. Momentum of jet is unchanged
4. Plate moves at a constant velocity
Choose the correct answer using the codes given below :

[A]. 1, 2 and 4
[B]. 1, 2 and 3
[C]. 2, 3 and 4
[D]. 1, 3 and 4

Answer: Option C


No answer description available for this question.

Ayush Sharma said: (May 5, 2016)  
Should momentum not be changed?

Because the force in the plate caused by a change in momentum.

Zen said: (Feb 18, 2017)  
The Correct answer is A.

Shwetha said: (Jan 20, 2018)  
A is correct.

M.J said: (Feb 22, 2021)  
A is the correct answer.

D Singh said: (Jul 15, 2021)  
Momentum changes so, the answer is A.

Jo-Bhi said: (Mar 11, 2022)  
I think A is the right answer.

Apcivilian said: (Apr 5, 2022)  
Momentum changes but Q remains constant.

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