The efficiency of Carnot cycle is maximum for_____________________?

A. gas engine
B. well lubricated engine
C. petrol engine
D. steam engine

The efficiency of a Carnot engine depends on_______________________?

A. working substance
B. design of engine
C. size of engine
D. type of fuel fired

Which of the following is an irreversible cycle_____________________?

A. carnot
B. stirling
C. ericsson
D. all of the above

According to Clausis statement of second law of thermodynamics___________________?

A. Heat can’t be transferred from low temperature source to high temperature source
B. Heat can be transferred for low temperature to high temperature source by using refrigeration cycle.
C. Heat can be transferred from low temperature to high temperature source if cop of process is more than unity
D. Heat can’t be transferred from low temperature to high temperature source without the aid of external energy

A perpetual motion machine is___________________?

A. A thermodynamic machine
B. A non-thermodynamic machine
C. A hypothetical machine
D. A hypothetical machine whose opera-tion would violate the laws of thermodynamics

One barometric pressure or 1 atmospheric pressure is equal to___________________?

A. 1 kgf/cnr2
B. 1.033 kgf/cm2
C. 0 kgf/cm2
D. 1.0197 kgf/cm2

I kgf/cm2 is equal to________________?

A. 760 mm hg
B. Zero mm hg
C. 735.6 mm hg
D. 1 mm hg

The unit’of universal gas constant is___________________?

A. Watts/°k
B. Dynes/°c
C. Ergscm/°k
D. Erg/°k

The energy of molecular motion appears as________________?

A. Heat
B. Potential energy
C. Surface tension
D. Friction

Water contained in a beaker can be made to boil by passing steam through it__________________?

A. At atmospheric pressure
B. At a pressure below the firuosphejric pressure
C. At a pressure greater than atmospheric pressure
D. Any pressure