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Fluid Mechanics

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

Reciprocating
Centrifugal
Diaphragm
Gear

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Fluid Mechanics
The hydrodynamic and thermal boundary layers will merge, when

Schmidt number tends to infinity
Nusselt number tends to infinity
Prandtl number is one
Archimedes number is greater than 10000

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Fluid Mechanics
The temperature in isentropic flow

Cannot drop and then increase again downstream
Depends on Mach number only
None of these
Does not depend on Mach number

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Fluid Mechanics
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is

Q/2
Q/4
Q/16
Q/8

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Fluid Mechanics
The unit of dynamic viscosity in SI unit is

kg/m . sec
N/m²
m/N. sec
m² /sec

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Fluid Mechanics
A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

Newtonion
Ideal
Non-Newtonion
Incompressible

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