Mechanical Engineering Mcqs

Zeroth law of thermodynamics________________?
  • (A)  deals with conversion of mass and energy
  • (B)  deals with reversibility and irreversibility of process
  • (C)  states that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other
  • (D)  deals with heat engines
  • (E)  does not exist
Isochoric process is one in which___________________?
  • (A)  free expansion takes place
  • (B)  very little mechanical work is done by the system
  • (C)  no mechanical work is done by the system
  • (D)  all parameters remain constant
  • (E)  mass and energy transfer do not take place