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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Manometer is used to measure

atmospheric pressure
very low pressure
pressure in pipes, channels etc
difference of pressure between two points

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Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of

0.492
0.848
0.688
0.392

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Hydraulics and Fluid Mechanics in ME
A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Elastic
Inertia
Surface tension
Viscous

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

1/dynamicviscosity x density
dynamicviscosity x density
dynamic viscosity/density
density/dynamic viscosity

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Hydraulics and Fluid Mechanics in ME
If the surface of liquid is convex, men

There is no cohesion pressure
Cohesion pressure is decreased
Cohesion pressure is increased
Cohesion pressure is negligible

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Hydraulics and Fluid Mechanics in ME
The unit of surface tension is

N/m
N/m3
N-m
N/m2

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