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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The units of kinematic viscosity are

metres² per sec
newton-sec per meter
kg sec/meter
newton-sec per meter

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/6
d/2
d
d/4

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Hydraulics and Fluid Mechanics in ME
Air vessels in reciprocating pump are used to

Smoothen flow
Increase pump efficiency
Reduce acceleration to minimum
Save pump from cavitations

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Hydraulics and Fluid Mechanics in ME
A differential manometer is used to measure

Atmospheric pressure
Difference of pressures between two points in a pipe
Pressure in pipes and channels
Pressure in Venturimeter

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Hydraulics and Fluid Mechanics in ME
The cavitation in reaction turbines is avoided, to a great extent by

Using stainless steel runner of the turbine
Installing the turbine below the tail race level
All of these
Providing highly polished blades to the runner

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Hydraulics and Fluid Mechanics in ME
Euler's number is the ratio of __________ force to pressure force.

Viscous
None of these
Inertia
Gravity

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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