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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The angle of taper on draft tube is

Greater than 8°
Greater than 5°
Less than 8°
Greater than 15°

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Hydraulics and Fluid Mechanics in ME
Manometer is used to measure

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

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Hydraulics and Fluid Mechanics in ME
A point, in a compressible flow where the velocity of fluid is zero, is called

Stagnation point
None of the listed here
Vena contracta
Critical point

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Hydraulics and Fluid Mechanics in ME
The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.

Sum
None of these
Difference
Product

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Hydraulics and Fluid Mechanics in ME
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be

2 meters of water column
5 meters of water column
6 meters of water Column
3 meters of water column

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

0.36
0.56
0.46
0.26

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