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Fluid Mechanics

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

0.01
1
10
0.1

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Fluid Mechanics
The ratio of actual discharge to theoretical discharge through an orifice is equal to

Cc . Cd
Cv . Cd
Cc . Cv
Cd/Cv

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Fluid Mechanics
Low specific speed of a pump implies that, it is a/an __________ pump.

Mixed flow
None of these
Centrifugal
Axial flow

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Fluid Mechanics
Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is

90
30
45
60

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Fluid Mechanics
Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential.

1
10
50
30

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Fluid Mechanics
__________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm².

Centrifugal
Plunger
Vane
Piston

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