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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific weight
specific gravity
specific speed
specific volume

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Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

steady flow
one dimensional flow
turbulent flow
uniform flow

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Hydraulics & Fluid Mechanics
Normal depth in open channel flow is the depth of flow corresponding to

uniform flow
unsteady flow
Steady flow
laminar flow

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Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

Bourdon tube
ionisastion gauge
Micro-manometer
Pirani Gauge

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Hydraulics & Fluid Mechanics
The region between the separation streamline and the boundary surface of the solid body is known as

boundary layer
drag
lift
wake

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Hydraulics & Fluid Mechanics
Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is

(i) and (iii)
(ii) and (iii)
(i) and (ii)
(i), (ii) and (iii)

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