In which process all the heat supplied is converted into work done ?
A. isothermal
B. isochoric
C. isobaric
D. isentropic
Olympic Council of Asia decided to invite which of the following region to compete in 2022 Asian Games for the first time?
Olympic Council of Asia decided to invite which of the following region to compete in 2022 Asian Games for the first time?A. North America
B. Europe
C. Oceania
D. Antarctica
B. Europe
C. Oceania
D. Antarctica
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