The value of γ for diatomic gas is_______________?
A. 1.67
B. 1.4
C. γ = 1.3
D. None
Heat and Thermodynamics
In which process all the heat supplied is converted into work done ?
In which process all the heat supplied is converted into work done ?
A. isothermal
B. isochoric
C. isobaric
D. isentropic
The performance of a refrigerator is described by________________?
The performance of a refrigerator is described by________________?
A. efficiency
B. coefficient of performance
C. both A and B
D. not described
The unit of entropy is________________?
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_______________?
Which quantity is a state function_______________?
A. internal energy
B. heat supply
C. pressure
D. volume
Petrol engine is a________________?
Petrol engine is a________________?
A. C.I engine
B. SI engine
C. IC engine
D. all the above
The purpose of flywheel in the engines is________________?
The purpose of flywheel in the engines is________________?
A. to smooth out the energy variation
B. to add more weight to engine to work it stable
C. to start engine
D. both A and B
For the successful operation of Heat engine which condition should be met ?
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________________?
The work done in the isochoric process is________________?
A. constant
B. variable
C. zero
D. depends on situation
Adiabatic process is also called______________?
Adiabatic process is also called______________?
A. Heat exchange process
B. Heating process
C. Isentropic process
D. All of the above