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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

None of the listed here
K.ρ
K/ρ
ρ/K

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Hydraulics and Fluid Mechanics in ME
The working of which of the following hydraulic units is based on Pascal's law?

Air lift pump
Hydraulic coupling
Jet pump
Hydraulic press

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Hydraulics and Fluid Mechanics in ME
A structure, whose width is __________ the width of the channel, is called a flumed structure.

Less than
More than
None of these
Equal

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Hydraulics and Fluid Mechanics in ME
The pressure of a liquid measured with the help of a Piezometer tube is

Vacuum pressure
Atmospheric pressure
Gauge pressure
Absolute pressure

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Hydraulics and Fluid Mechanics in ME
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

1/RN
64/RN
4/RN
16/RN

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to

Bernoulli’s theorem
Buoyancy
Equilibrium of a floating body
Archimedes’ principle

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