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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of liquids
specific gravity of gases
relative humidity
specific gravity of solids

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Hydraulics and Fluid Mechanics in ME
The speed ratio in case of Francis turbine varies from

0.4 to 0.5
0.6 to 0.9
1 to 1.5
0.15 to 0.3

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the pressure varies

Cube of fan speed
Directly as fan speed
Square root of fan speed
Square of fan speed

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Hydraulics and Fluid Mechanics in ME
Capillary action is due to the

Surface tension
Adhesion of the liquid molecules and the molecules on the surface of a solid
All of the listed here
Cohesion of the liquid

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Hydraulics and Fluid Mechanics in ME
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by

0.05
0.1
0.2
0.15

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the pipe is maximum when the head lost due to friction is equal to

One-half of the total supply head
Two-third of the total supply head
One-fourth of the total supply head
One-third of the total supply head

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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