Mechanical Engineering - Hydraulic Machines - Discussion

Discussion Forum : Hydraulic Machines - Section 1 (Q.No. 6)
6.
Discharge of a centrifugal pump is
directly proportional to diameter of its impeller
inversely proportional to diameter of its impeller
directly proportional to (diameter)2 of its impeller
inversely proportional to (diameter)2 of its impeller
Answer: Option
Explanation:

Discharge of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller.

Head of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller.

Power Developed of a centrifugal pump is directly proportional to (Diameter)^4 of its impeller.

Discussion:
50 comments Page 4 of 5.

Manikanta said:   8 years ago
Q = A.V.
A = π/4D2.
Q is directly proportional to d2.

Engr Aamir said:   5 years ago
If Q=Av then Q is directly or inversely proportional?

Patel jigar k said:   8 years ago
The correct answer is A,
q = d.
h =d^2.
p = d^3.

Rishabh Singh said:   8 years ago
Affinity Law of a pump- Q is proportional to D.

Afrasiyab said:   10 years ago
Directly proportional to square of diameter.

Anurag Adhikary said:   9 years ago
Correct the answers, it should be option A.

Meet Patel said:   7 years ago
Q is directly proportional to D^3.

Prithvi singh said:   5 years ago
Q is directly proportional to D^3.
(4)

NabaJyoti said:   8 years ago
It is Directly proportional to D.

Sarat said:   8 years ago
Option A is the correct answer.


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