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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The pressure of liquid at throat in a Venturimeter is __________ than that at inlet.

Higher
None of these
Same
Lower

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Hydraulics and Fluid Mechanics in ME
The speed of a turbine runner is

Inversely proportional to H1/2
Directly proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/4 to 1/3
1/8 to 1/4
1/3 to 1/2
1/16 to 1/8

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Journal turbine
Fourneyron turbine
Thomson's turbine
Pelton wheel

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity of venturimeter

None of these
is independent of Reynolds number
decreases with higher Reynolds number
is equal to the coefficient of discharge of venturimeter

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Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

None of these
More
Same
Less

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