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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In the case of steady flow of a fluid, the acceleration of any fluid particle is

zero under limiting conditions
variable
zero
constant

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Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

High speed pump with axial flow at outlet
Slow speed pump with radial flow at outlet
High speed pump with radial flow at outlet
Medium speed pump with radial flow at outlet

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Directly proportional to (density)1/2 of fluid
Inversely proportional to (density)1/2 of fluid
Inversely proportional to density of fluid
Directly proportional to density of fluid

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Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

Vacuum pressure
All of the listed here
Suction pressure
Negative gauge pressure

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Hydraulics and Fluid Mechanics in ME
A thick liquid like syrup has a ___ viscosity than a light liquid like water.

None of the listed here
Greater
Lesser
Same

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Hydraulics and Fluid Mechanics in ME
The cavitation in a hydraulic machine

Causes sudden drop in power output and efficiency
All of these
Causes noise and vibration of various parts
Reduces the discharge of a turbine

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