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Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 2
1.
The impeller of a centrifugal pump may have
volute casing
volute casing with guide blades
vortex casing
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Kinematic 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
have identical forces
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A reciprocating pump is suitable for less discharge and higher heads.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The flow ratio of Francis turbine is defined as the ratio of the
velocity of flow at inlet to the theoretical jet velocity
theoretical velocity of jet to the velocity of flow at inlet
velocity of runner at inlet to the velocity of flow at inlet
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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