Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 16 (Q.No. 1)
1.
Water is to be pumped at the rate of 0.025 m3/s from a 4 m deep ground level tank to an overhead tank. The difference in levels of the full tank levels of these tanks is 16 m. What is the approximate power required for operating a 65% efficient centrifugal pump ?
Discussion:
5 comments Page 1 of 1.
Rahul said:
3 years ago
According to me, the right answer is A.
P = pghQ/n.
= 9810 x 20 x .025/.65.
= 7.5.
P = pghQ/n.
= 9810 x 20 x .025/.65.
= 7.5.
(1)
Priyanka said:
5 years ago
P= QHpg/100n.
P=6.0kw.
B is correct.
P=6.0kw.
B is correct.
(1)
Chiri said:
7 years ago
Yes, the correct answer is A.
Umesh H A said:
7 years ago
Answer is A
Chhaya said:
8 years ago
Here, p= QH * 9.81= 3.9 but divide by 0.65 Efficiency. So, the answer is 6kw.
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