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Fluid Mechanics

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

V2.7
V-0.2
V1.8
V2

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Fluid Mechanics
For the transfer of solution of thick slurry, the pump used is a __________ pump.

Centrifugal
Gear
Reciprocating
Diaphragm

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Fluid Mechanics
The value of critical Reynolds number for pipe flow is

10000
100000
None of these
1300

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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

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

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Fluid Mechanics
Delivery of insufficient quantity of liquid by a pump may be caused by

Air leak in the inlet
Too high a lift
All of these
Low rpm

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Fluid Mechanics
For water, when the pressure increases, the viscosity

Remains constant
Decreases
First decreases, and then increases
Also increases

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MORE MCQ ON Fluid Mechanics

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