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Fluid Mechanics

Fluid Mechanics
Low specific speed of a pump implies that, it is a/an __________ pump.

Mixed flow
Centrifugal
Axial flow
None of these

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Fluid Mechanics
Plunger pumps are used for

Viscous mass
Higher pressure
Slurries
None of these

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Fluid Mechanics
The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is

HW/4(H + W)²
√(HW/π)
HW/2(H + W)²
2HW/(H + W)²

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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
Low rpm
All of these

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Fluid Mechanics
In case of supersonic flow of a fluid through pipeline, the 'Mach number' is

> 1
< 1
1

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Fluid Mechanics
Pressure gradient in the pipe flow is influenced by the

Diameter of pipe
Velocity of the fluid
Density & viscosity of the fluid
All of these

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MORE MCQ ON Fluid Mechanics

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