Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Rate of shear strain and temperature
Pressure, velocity and temperature
Shear stress and velocity
Shear stress and rate of shear strain

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Hydraulics and Fluid Mechanics in ME
In a forced vortex motion, the velocity of flow is

directly proportional to its radial distance from axis of rotation
inversely proportional to its radial distance from the axis of rotation
directly proportional to the square of its radial distance from the axis of rotation
inversely proportional to the square of its radial distance from the axis of rotation

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Hydraulics and Fluid Mechanics in ME
The hammer blow in pipes occurs when

There is excessive leakage in the pipe
The pipe bursts under high pressure of fluid
The flow of fluid through the pipe is gradually brought to rest by closing of the valve
The flow of fluid through the pipe is suddenly brought to rest by closing of the valve

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