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Fluid Mechanics

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

1
50
10
30

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Fluid Mechanics
Bernoulli's equation is not applicable, when the flow is

Viscous
Irrotational
Incompressible
All of these

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Fluid Mechanics
Purpose of relief valve in a reciprocating pump is to

Protect the pump against developing excessive pressure
Control the rate of discharge
Facilitate unidirectional flow of liquid
Reduce the discharge pressure

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Fluid Mechanics
Boiler feed water pump is usually a __________ pump.

Multistage centrifugal
Gear
Reciprocating
Diaphragm

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Fluid Mechanics
Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition.

∂/∂t = constant
∂/∂s = 0
∂/∂t = 0
∂/∂t = constant

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Fluid Mechanics
Function of air vessel provided in a reciprocating pump is to

Avoid the necessity of priming
Increase the pump efficiency
Reduce discharge fluctuation
Reduce the danger of cavitation

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MORE MCQ ON Fluid Mechanics

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