According to Pascals law the pressure of gas in a vessel is_____________?
(A) Different in different direction
(B) Same in all direction
(C) Same only along opposite directions
(D) Same only along normal directions
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________________?
(A) efficiency
(B) coefficient of performance
(C) both A and B
(D) not described
Which quantity is a state function_______________?
(A) internal energy
(B) heat supply
(C) pressure
(D) volume
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 ?
(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