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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.2 times
Double
1.8 times
Equal to

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Flow vs. speed
Pressure in cylinder vs. swept volume
Flow vs. swept volume
Pressure vs. speed

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

20 mm
5 mm
10 mm
30 mm

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

Centrifugal pump
Any one of the above
Axial flow pump
Mixed flow pump

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

100 kg
1 kg
1000 kg
10 kg

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Hydraulics and Fluid Mechanics in ME
A body floats in stable equilibrium

When its e.g. is below its center of buoyancy
When the metacentre is above e.g.
When its meatcentric height is zero
Metacentre has nothing to do with position of e.g. for determining stability

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