The continual motion of a movable device in the complete absence of friction is known as

Related MCQs

• The friction present in moving devices makes a process reversible.
• The perpetual motion of the first kind is represented by which of the following?
• Which of the following statements regarding a perpetual motion machine is correct?
• A perpetual motion machine of first kind
• The complete conversion of heat into shaft- work is impossible.
• Complete dry air exists in nature.
• A piston –cylinder device contains 0.06m3 of saturated water vapour at 350 kPa pressure. Determine the temperature and mass of the vapour inside the cylinder.
• The available energy is known as          and the unavailable energy is known as          
• A definite area or space where some thermodynamic process takes place is known as
• A series of operations, which take place in a certain order & restore the initial condition is known as