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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
h
wh

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Hydraulics and Fluid Mechanics in ME
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

0.5 a. √2gH
0.707 a. √2gH
√2gH
0.855 a. √2gH

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Hydraulics and Fluid Mechanics in ME
The stress-strain relation of the Newtonian fluid is

Hyperbolic
Inverse type
Parabolic
Linear

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Hydraulics and Fluid Mechanics in ME
Geometric similarity is said to exist between the model and the prototype, if both of them

Are identical in shape, but differ only in size
Are equal in size and shape
Have identical velocities
Have identical forces

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Francis turbine
Kaplan turbine
Pelton wheel
None of these

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Hydraulics and Fluid Mechanics in ME
Manometer is used to measure

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

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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