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Fluid Mechanics

Fluid Mechanics
The nominal size of a hose pipe is specified by its

O.D.
None of these
I.D.
Thickness

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Fluid Mechanics
The capacity of an accumulator is the maximum

None of these
Discharge which it can deliver
Liquid which it can store
Energy which it can store

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Fluid Mechanics
For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance).

V/Vmax = (x.r)1/7
V/Vmax = (r/x)1/7
None of these
V/Vmax = (x/r)1/7

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Fluid Mechanics
Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an

Rotameter
Pitot tube
Orificemeter
Venturimeter

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Fluid Mechanics
The bulk modulus of elasticity of a liquid

Decreases with pressure
Increases with pressure
Is zero for incompressible liquid
Is independent of temperature & pressure

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Fluid Mechanics
Cd is always __________ Cc.

Less than
Equal to
Either more or less than
Greater than

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