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Hydraulics & Fluid Mechanics

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

Bourdon tube
Pirani Gauge
Micro-manometer
ionisastion gauge

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

head
velocity
pressure
discharge

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Hydraulics & Fluid Mechanics
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is

9.81 m/sec²
9.75 m/sec²
10m/sec²
10.2/m sec

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Hydraulics & Fluid Mechanics
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

linearly with radial distance
as the square of the radial distance
inversely as the radial distance
inversely as the square of the radial distance

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Hydraulics & Fluid Mechanics
For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be

337.5
300
675
600

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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
lift
wake
drag

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MORE MCQ ON Hydraulics & Fluid Mechanics

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