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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Free surface of a liquid tends to contract to the smallest possible area due to force of

surface tension
friction
viscosity
cohesion

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Hydraulics & Fluid Mechanics
For a floating body to be in stable equilibrium, its metacentre should be

above the center of gravity.
above the center of buoyancy
between e.g. and center of pressure
below the center of buoyancy

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

Micro-manometer
ionisastion gauge
Bourdon tube
Pirani Gauge

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

Micro-manometer
ionisastion gauge
Pirani Gauge
Bourdon tube

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific volume
specific speed
specific weight
specific gravity

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Hydraulics & Fluid Mechanics
A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ?

1:50
1 :25
1 : 2.5
1 : 5

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