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Fluid Mechanics

Fluid Mechanics
For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Tee
Union
Elbow
Reducer

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Fluid Mechanics
Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as

V2.7
V2
V-0.2
V1.8

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Fluid Mechanics
Cavitation in a centrifugal pump results from

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

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Fluid Mechanics
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is

Q/16
Q/8
Q/4
Q/2

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Fluid Mechanics
In laminar flow through a round tube, the discharge varies

Inversely as the pressure drop
Inversely as the viscosity
As the square of the radius
Linearly as the viscosity

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Fluid Mechanics
The speed of sound in an ideal gas varies as the

None of these
Pressure
Density
Temperature

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