If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is__________________?

Related Mcqs:

In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is_________________?

A. 22.5 m/sec B. 33 m/sec C. 40 m/sec D. 90 m/sec...

Which of the following statements is correct ?

A. Lower critical Reynolds number is of no practical significance in pipe flow problems. B. Upper critical Reynolds number is significant in pipe flow problems. C. Lower critical Reynolds number has the value 2000 in pipe flow D. Upper critical Reynolds number is the number at which turbulent flow changes to laminar flow...

When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wavE., the portion of pipe length subjected to maximum head is__________________?

A. L/4 B. L/3 C. L/2 D. L...

Two pipe systems are said to be equivalent when_________________?

A. head loss and discharge are same in two systems B. length of pipe and discharge are same in two systems C. friction factor and length are same in two systems D. length and diameter are same in two systems...

A floating body is said to be in a state of stable equilibrium_________________?

A. when its metacentric height is zero B. when the metacentre is above the centre of gravity C. when the metacentre is below the centre of gravity D. only when its centre of gravity is below its centre of buoyancy...