The rolling process cannot be used to produce________?

The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ________ with the apex at the centre line of the pipe?

A good quality coal should have ________?

Which of the following is the largest quantum of pressure?

Refrigeration cycle________?

The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is________?