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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH2/2
wH
wH2/4
wH/2

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

N/H
N/H²
N/H3/2
N/√H

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Hydraulics and Fluid Mechanics in ME
When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called

Positive gauge pressure
Vacuum pressure
Absolute pressure
Gauge pressure

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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

10 kg
1000 kg
100 kg
1 kg

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Hydraulics and Fluid Mechanics in ME
Piezometer is used to measure

Atmospheric pressure
Very low pressures
Pressure in pipe, channels etc
Difference of pressure between two points

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Hydraulics and Fluid Mechanics in ME
Delivery head of a centrifugal pump is

Inversely proportional to N
Directly proportional to N
Inversely proportional to N²
Directly proportional to N²

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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