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Fluid Mechanics

Fluid Mechanics
Boiler feed water pump is usually a __________ pump.

Gear
Diaphragm
Multistage centrifugal
Reciprocating

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Fluid Mechanics
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

44
0.44
4.4
0.044

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

Reciprocating
Parallel cylinder
Impulse
Centrifugal

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Fluid Mechanics
Capillary tube method of viscosity measurement is based on the

Stoke's law
None of these
Navier-stokes equation
Hagen-Poiseulle's equation

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Fluid Mechanics
Unit of mass velocity is

Kg/hr
Kg/m³. hr
Kg/m². hr
Kg/m²

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Fluid Mechanics
The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is

1
< 1
> 1
2

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