Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 2
6.
Dynamic similarity is said to exist between the model and the prototype, if both of them
have identical velocities
are equal in size and shape
are identical in shape, but differ only in size
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
The specific speed of a turbine is given by the equation
Answer: Option
Explanation:
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8.
A draft tube is used with impulse turbines.
Yes
No
Answer: Option
Explanation:
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9.
A hydraulic ram is a device used to
store the energy of water
increase the pressure of water
to lift water from deep wells
to lift small quantity of water to a greater height when a large quantity of water is available at a smaller height
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Overall efficiency of a centrifugal pump is the ratio of
energy available at the impeller to the energy supplied to the pump by the prime mover
actual workdone by the pump to the energy supplied to the pump by the prime mover
energy supplied to the pump to the energy available at the impeller
manometric head to the energy supplied by the impeller per kN of water
Answer: Option
Explanation:
No answer description is available. Let's discuss.