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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
h/w
wh
h

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is less than the critical depth, the flow is called

Turbulent flow
Tranquil flow
Critical flow
Torrential flow

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Hydraulics and Fluid Mechanics in ME
Which of the following velocity potentials satisfies continuity equation ?

x2 + y2
x2-y2
x2y
cosx

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Hydraulics and Fluid Mechanics in ME
The tendency of a liquid surface to contract is due to the following property

adhesion
viscosity
cohesion
surface tension

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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 decreased
Cohesion pressure is increased

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Hydraulics and Fluid Mechanics in ME
Low specific speed of turbine implies it is

Propeller turbine
Any one of the above
Francis turbine
Impulse turbine

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