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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as

Steak line
Stream line
Potential line
Path line

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.0116 stoke
0.0611 stoke
0.611 stoke
0.116 stoke

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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 negligible
Cohesion pressure is increased
Cohesion pressure is decreased

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

One-half
Double
Equal to
Three fourth

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of the liquid __________ with rise in temperature.

Remain unaffected
Decreases
Increases
None of these

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of the inertia force to the

Surface tension force
Gravity force
Viscous force
Elastic force

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