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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One stoke
One centistoke
One poise
One centipoise

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Hydraulics and Fluid Mechanics in ME
Newton’s law of viscosity relates

shear stress, viscosity and temperature
viscosity and rate of angular deformation
intensity of pressure and rate of angular deformation
shear stress and rate of angular deformation

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Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

Gravity force
Inertia force
Viscous force
All of these

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Hydraulics and Fluid Mechanics in ME
The working of which of the following hydraulic units is based on Pascal's law?

Hydraulic press
Jet pump
Hydraulic coupling
Air lift pump

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Hydraulics and Fluid Mechanics in ME
For starting an axial flow pump, its delivery valve should be

Could be either open or closed
Closed
Depends on starting condition and flow desired
Open

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Hydraulics and Fluid Mechanics in ME
Resultant pressure of the liquid in the case of an immersed body acts through

Centre of pressure
Centre of gravity
Centre of buoyancy
Metacentre

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