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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Euler's number
Reynold's number
Froude's number
Mach number

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Hydraulics and Fluid Mechanics in ME
The atmospheric pressure with rise in altitude decreases

first slowly and then steeply
linearly
first steeply and then gradually
unpredictable

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.

Pressure
Strain
None of these
Kinetic

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Hydraulics and Fluid Mechanics in ME
The specific weight of water in S.I. units is taken as

Any one of these
9.81 kN/m3
9.81 × 103 N/m3
9.81 × 10-6 N/mm3

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Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

uniform flow
streamline flow
turbulent flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Cc × Cr
Cv × Cr
Cc/Cr
Cc × Cv

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