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Fluid Mechanics

Fluid Mechanics
Unit of mass velocity is

Kg/m²
Kg/m³. hr
Kg/m². hr
Kg/hr

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Fluid Mechanics
Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.)

d2/3
√d
d2
d1/3

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Fluid Mechanics
Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the

Both A & B
Temperature
Pressure
Neither A nor B

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Fluid Mechanics
Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.

Thermal conductivity
Electrical conductivity
Specific gravity
Electrical resistivity

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

Reciprocating
Centrifugal
Gear
Diaphragm

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Fluid Mechanics
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double

Head
Discharge
None of these
Efficiency

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