In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than_______________?

Related Mcqs:

Surface tension__________________?

A. acts in the plane of the interface normal to any line in the surface B. is also known as capillarity C. is a function of the curvature of the interface D. decreases with fall in temperature E. has no units...

The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately____________________?

A. 1 mm B. 5 mm C. 10 mm D. 20 mm E. 30 mm...

The time oscillation of a floating body with increase in metacentric height will be_________________?

A. same B. higher C. lower D. lower/higher depending on weight of body E. unpredictable...

A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ?

A. 1 : 5 B. 1 : 2.5 C. 1 :25 D. 1:V5″ E. 1 : 53/2...

The normal stress in a fluid will be constant in all directions at a point only if__________________________?

A. it is incompressible B. it has uniform viscosity C. it has zero viscosity D. it is frictionless E. it is at rest...