A. constant
B. variable
C. zero
D. depends on situation
0
For the successful operation of Heat engine which condition should be met ?
0
The purpose of flywheel in the engines is________________?
A. cyclic process
B. operated at certain temperature difference
C. both A and B
D. none of these
0
Petrol engine is a________________?
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
0
Which quantity is a state function_______________?
A. C.I engine
B. SI engine
C. IC engine
D. all the above
0
The unit of entropy is________________?
A. internal energy
B. heat supply
C. pressure
D. volume
1
The performance of a refrigerator is described by________________?
A. J.K
B. J/K
C. N.m/sec
D. Kgm2/sec2.K
0
In which process all the heat supplied is converted into work done ?
A. efficiency
B. coefficient of performance
C. both A and B
D. not described
0
The value of γ for diatomic gas is_______________?
A. isothermal
B. isochoric
C. isobaric
D. isentropic
0
A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?
A. 1.67
B. 1.4
C. γ = 1.3
D. None
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