Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 3 (Q.No. 1)
1.
If the pump head is 75 m, discharge is 0.464 m3/s and the motor speed is 1440 rpm at rated condition, the specific speed of the pump is about
Discussion:
1 comments Page 1 of 1.
Dheeraj said:
1 decade ago
Specific speed (Ns) = (N*q^1/2)/H^(3/4).
Substituting,
N=1440,
q=0.464,
H=74,
We get, Ns=38.48.
Substituting,
N=1440,
q=0.464,
H=74,
We get, Ns=38.48.
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