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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

1000
100
1
101.9

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Hydraulics and Fluid Mechanics in ME
According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.

None of these
Inversely proportional
Equal to
Directly proportional

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Hydraulics and Fluid Mechanics in ME
Metacentric height for small values of angle of heel is the distance between the

centre of buoyancy and metacentre
free surface and centre of buoyancy
centre of gravity and metacentre
centre of gravity and centre of buoy-ancy

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for the fans having constant wheel diameters, the power demand varies

Directly as fan speed
Cube of fan speed
Square of fan speed
Square root of fan speed

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Lift and tangential force
Lift and resultant force
Lift and drag
Drag and resultant force

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Hydraulics and Fluid Mechanics in ME
The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will

increase
remain unaffected
may increase or decrease depending on the characteristics of liquid
decrease

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