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Hydraulics and Fluid Mechanics in ME

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
10 kg
1 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
Puck up the wrong statement about centrifugal pump

Discharge a diameter
Head a diameter
Head a speed²
Power a speed⁴

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Hydraulics and Fluid Mechanics in ME
The losses are more in

laminar flow
turbulent flow
transition flow
critical flow

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Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.015
0.02
0.025
0.01

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Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

1.417 H5/2
0.417 H5/2
4.171 H5/2
7.141 H5/2

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece is

0.5
0.375
0.855
0.707

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