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Fluid Mechanics

Fluid Mechanics
For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Union
Elbow
Tee
Reducer

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Fluid Mechanics
The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet.

P, Rand S
P, Q and R
P and R
R and S

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Fluid Mechanics
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the

All of these
Pipe length
Fluid velocity in the pipe
Time taken to close the valve

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Fluid Mechanics
Plunger pumps are used for

Viscous mass
Slurries
Higher pressure
None of these

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Fluid Mechanics
A hydraulic ram acts as a/an __________ pump.

Parallel cylinder
Impulse
Reciprocating
Centrifugal

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Fluid Mechanics
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively).

None of these
G is above B
B & G coincide
B is above G

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