For starting an axial flow pump, its delivery valve should be____________________?

Question: Dynamic similarity is said to exist between the model and the prototype, if both of them
[A].

have identical velocities

[B].

are equal in size and shape

[C].

are identical in shape, but differ only in size

[D].

none of the above

Answer: Option D

Explanation:

No answer description available for this question.

Question: A jet of water enters and leaves a fixed curved vane tangentially. The force of the jet along normal to the vane is (where α and β = Inlet and outlet angles of the jet respectively)
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Question: A hydraulic intensifier is a device used to increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Question: A ship with jet propulsion draws water through inlet orifices at right angles to the direction of its motion. The propelling force of the jet is (where a = Area of the jet, Vr = Relative velocity of the jet and ship = V + v, v = Velocity of the ship, and V = Velocity of the jet issuing from the ship)
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following turbine is preferred for 0 to 25 m head of water?
[A].

Pelton wheel

[B].

Kaplan turbine

[C].

Francis turbine

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: In a mixed flow reaction turbine, the flow of water is partly radial and partly axial.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.