For a given fluid flow rate, which of the following incurs maximum head loss ?

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Which of the following facilitates close control of flow of fluids ?

A. Gate valve B. Globe valve C. Butterfly valve D. Check valve...

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the new discharge will be __________ litres/minute ?

A. 500 B. 200 C. 1000 D. 750...

In case of turbulent flow of fluid through a circular pipe, the __________________?

A. Mean flow velocity is about 0.5 times the maximum velocity B. Velocity profile becomes flatter and flatter with increasing Reynolds number C. Point of maximum instability exists at a distance of 2r/3 from the pipe wall (r = pipe radius) D. Skin friction drag, shear stresses, random orientation of fluid particles and slope of … In case of turbulent flow of fluid through a circular pipe, the __________________?Read More...

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?

A. 1/μ B. μ C. μ2 D. 1/μ2...

The ratio of maximum to average velocity in case of streamline flow between parallel plates is______________________?

A. 1 B. 1.5 C. 2 D. 2.5...