The unit of entropy is:
A. J.K
B. J/K
C. N.m/sec
D. Kgm2/sec2.K
Which quantity is a state function:
A. internal energy
B. heat supply
C. pressure
D. volume
Petrol engine is a:
A. C.I engine
B. SI engine
C. IC engine
D. all the above
For the successful operation of Heat engine which condition should be met:
A. cyclic process
B. operated at certain temperature difference
C. both A and B
D. none of these
The work done in the isochoric process is:
A. constant
B. variable
C. zero
D. depends on situation
Adiabatic process is also called:
A. Heat exchange process
B. Heating process
C. Isentropic process
D. All of the above
In which process entropy remains constant:
A. isobaric
B. isochoric
C. adiabatic
D. isothermal
Average translational kinetic energy per molecule of an ideal gas is given by:
A. 3NaT/2R
B. 2NaT/3
C. 3RT/2Na
D. 3Na/2RT
At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale:
A. 460°C
B. 280°C
C. 360°C
D. 160°C
Standard condition STP refer to a gas at:
A. 76cm 0°C
B. 760mm 273K
C. 1atm 273K
D. all of the above
