Correct answer
A. a gas will never liquefy
Explanation
The correct answer is a gas will never liquefy.
Ram-jet engine________?
Inventory control in production, planning and control aims at________?
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________?
Which of the following is a fire tube boiler________?
Pressure of the order of 10′′‘ torr can be measured by________?
A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is \i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will________?