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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is

e > d > m
d > e > m
e > m > d
d > m > e

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Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One stoke
One poise
One centipoise
One centistoke

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Hydraulics and Fluid Mechanics in ME
Delivery head of a centrifugal pump is

Inversely proportional to N
Inversely proportional to N²
Directly proportional to N
Directly proportional to N²

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Hydraulics and Fluid Mechanics in ME
Fluid is a substance which offers no resistance to change of

Volume
Shape
Pressure
Flow

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Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

39.2%
84.8%
68.8%
49.2%

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Inversely proportional to (density)1/2 of fluid
Directly proportional to density of fluid
Directly proportional to (density)1/2 of fluid
Inversely proportional to density of fluid

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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