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Fluid Mechanics

Fluid Mechanics
Bernoull's equation does not apply to the functioning of a/an

Venturimeter
Orificem
Pitot tube
None of these

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

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Fluid Mechanics
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

Remain same
Decrease
Increase
Data insufficient to predict

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Fluid Mechanics
Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as

V1.8
V-0.2
V2.7
V2

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Fluid Mechanics
The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid.

Newtonion
Pseudoplastic
Dilatant
Bingham plastic

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Fluid Mechanics
Scale up of agitator design requires

Dynamic similarity only
Geometrical similarity only
Both geometrical and dynamic similarity
All of these

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