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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
The viscosity of a liquid __________ its rate of flow through a hole in a vessel.

None of these
Effects
Both A and B
Does not effect

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

(waV²/2g) × sin 2θ
(waV/2g) × sin θ
(waV²/g) × sin θ
(waV/g) × sin θ

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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
1000 kg
10 kg
1 kg

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump is

Proportional to diameter of impeller
Proportional to speed of impeller
None of these
Proportional to diameter and speed of impeller

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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
30 mm
10 mm

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