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Fluid Mechanics

Fluid Mechanics
Lower BWG means __________ of the tube.

Inner diameter
Lower cross-section
Outer diameter
Lower thickness

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Fluid Mechanics
Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone.

70
1
40
10

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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

60
30
45
90

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Fluid Mechanics
Design of the casing of centrifugal pump should be such as to minimise the

Loss of static head
Back flow through impeller
None of these
Loss of kinetic head

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Fluid Mechanics
Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the

Back flow of fluid in the event of stoppage of pump
All of these
Discharge pressure
Flow of liquid during operation of the pump

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Fluid Mechanics
The most economical flow control valve for use with large diameter pipes is a

None of these
Butterfly valve
Globe valve
Needle valve

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MORE MCQ ON Fluid Mechanics

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