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Fluid Mechanics

Fluid Mechanics
For laminar flow through a closed conduit

Vmax = 1.5Vav
Vmax = 0.5Vav
Vmax = 2Vav
Vmax = Vav

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Fluid Mechanics
Cavitation in a centrifugal pump results from

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

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Fluid Mechanics
The Mach number for hypersonic flow of compressible fluid is

> 4
< 2
1
> 1

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Fluid Mechanics
__________ is an example of axial flow impeller.

Propeller
All of these
Turbine
Paddle

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Fluid Mechanics
Cavitation in a centrifugal pump can be avoided by keeping the

Outlet pressure high
Inlet pressure high
Inlet pressure low
Outlet pressure low

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Fluid Mechanics
The unit of velocity head is

ft-lb/sec
ft-lbf/lb
ft-lbf/sec
ft-lb/ft³

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MORE MCQ ON Fluid Mechanics

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