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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The horizontal component of buoyant force is

None of these
Negligible
Same as buoyant force
Zero

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Hydraulics and Fluid Mechanics in ME
An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is

9 m/sec
9.81 m/sec²
9.75 m/sec²
10 m/sec²

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Gravity force
Elastic force
Pressure force
Viscous force

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

Mixed flow pump
Axial flow pump
None of these
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
Impulse turbine is generally fitted

Little above the tail race
About 2.5 m above the tail race to avoid cavitations
Slightly below the tail race
At the level of tail race

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Hydraulics and Fluid Mechanics in ME
A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used?

Pelton wheel with two or more nozzles
Pelton wheel with one nozzle
Francis turbine
Kaplan turbine

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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