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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

V1.8
V-0.2
V2.7
V2

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Fluid Mechanics
Which of the following produces maximum pressure difference for transportation of gases?

Vaccum pumps
Compressors
Blowers
Fans

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Fluid Mechanics
The resistance wire used in a hot wire anemometer for conducting electrical current is made of

Chromium
Copper
Tungsten
Aluminium

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Fluid Mechanics
The distance between metacentre and __________ is called metacentric height.

Centre of buoyancy
Water surface
Centre of gravity
None of these

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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/16
Q/8
Q/4

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Fluid Mechanics
Curve III in the above diagram represents a/an

None of these
Pseudo plastic fluid
Ideal plastic
Dilatent fluid

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