Mechanical Engineering - Hydraulic Machines

Exercise :: Hydraulic Machines - Section 1

21. 

Which of the following pump is preferred for flood control and irrigation applications?

A. Centrifugal pump
B. Axial flow pump
C. Mixed flow pump
D. Reciprocating pump

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

22. 

The efficiency of a Pelton wheel working under constant head __________ with the increase in power.

A. remains same
B. increases
C. decreases

Answer: Option B

Explanation:

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23. 

The discharge of a centrifugal pump working under constant head __________ with the speed.

A. increases
B. decreases

Answer: Option A

Explanation:

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24. 

The unit discharge through the turbine is

A.
B.
C.
D.

Answer: Option A

Explanation:

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25. 

Delivery head of water of a centrifugal pump is inversely proportional to diameter of its impeller.

A. Yes
B. No

Answer: Option B

Explanation:

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