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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Flow of water in a pipe about 3 meters in diameter can be measured by

pitot tube
rotameter
orifice plate
venturi

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Hydraulics & Fluid Mechanics
A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

25 m/sec
10 m/sec
50 m/sec
2 m/sec

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

SAME AS BUOYANT FORCE
NEGLIGIBLE
None of these
ZERO

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

laminar flow
unsteady flow
uniform flow
Steady flow

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Hydraulics & Fluid Mechanics
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.)

frictionless flow
uniform flow
steady flow
incompressible flow

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Hydraulics & Fluid Mechanics
Which of the following instrument can be used for measuring speed of an aeroplane

Orifice plate
rotameter
Venturimeter
pitot tube

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