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Fluid Mechanics

Fluid Mechanics
Plunger pumps are used for

Viscous mass
Slurries
None of these
Higher pressure

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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
Rise of liquid in a capillary tube is due to

Cohesion
Neither A nor B
Both A & B
Adhesion

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Fluid Mechanics
A lubricant 100 times more viscous than water would have a viscosity (in Pa.s)

0.01
1
0.1
10

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Fluid Mechanics
Cavitation in a centrifugal pump results from

High discharge velocity
High discharge rate
High discharge pressure
Low barometric pressure

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Fluid Mechanics
The ratio of inertial forces to elastic forces is called the __________ number.

Reynolds
Weber
Euler
Mach

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MORE MCQ ON Fluid Mechanics

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