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Q.1: Boltzman constant K in terms of universal gas constant R and Avagadros number Na is give as——–?
- K = RNa
- K = R/Na
- K = Na/Ra
- K = nRNa
B
Q.2: Average translational kinetic energy per molecule of an ideal gas is given by——-?
- 3NaT/2R
- 2NaT/3
- 3RT/2Na
- 3Na/2RT
C
Q.3: In which process entropy remains constant——–?
- isobaric
- isochoric
- adiabatic
- isothermal
C
Q.4: Adiabatic process is also called——-?
- Heat exchange process
- Heating process
- Isentropic process
- All of the above
C
Q.5: The work done in the isochoric process is——–?
- constant
- variable
- zero
- depends on situation
C
Q.6: For the successful operation of Heat engine which condition should be met ?
- cyclic process
- operated at certain temperature difference
- both A and B
- none of these
C
Q.7: The purpose of flywheel in the engines is——–?
- to smooth out the energy variation
- to add more weight to engine to work it stable
- to start engine
- both A and B
A
Q.8: Petrol engine is a——–?
- C.I engine
- SI engine
- IC engine
- all the above
D
Q.9: Which quantity is a state function——–?
- internal energy
- heat supply
- pressure
- volume
A
Q.10: The unit of entropy is——–?
- J.K
- J/K
- N.m/sec
- Kgm2/sec2.K
A