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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

viscosity of the liquid
pressure of the liquid displaced
depth of immersion
mass of liquid displaced

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Hydraulics and Fluid Mechanics in ME
The atmospheric pressure at sea level is

All of these
10.3 m of water
760 mm of mercury
103 kN/m2

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Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which

Delivers unit discharge under unit speed
Delivers unit discharge under unit head
Develops unit power under unit speed
Develops unit power under unit head

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Hydraulics and Fluid Mechanics in ME
According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary

Directly as the air or gas density
Inversely as square root of density
As square of density
Inversely as density

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Hydraulics and Fluid Mechanics in ME
Rotameter is a device used to measure

absolute pressure
flow
rotation
velocity of fluid

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Hydraulics and Fluid Mechanics in ME
Dimensions of surface tension are

ML r²
ML°T
ML°T⁻²
ML²T²

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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