A. raising its temperature
B. raising its pressure
C. raising its volume
D. raising its temperature and doing external work
E. doing external work
Related Mcqs:
- The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?
A. Dual combustion cycle
B. Diesel cycle
C. Atkinson cycle
D. Rankine cycle
E. Stirling cycle - A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
A. 300 Nm
B. 300,000 Nm
C. 30 Nm
D. 3000 Nm
E. 30,000 Nm - Which law states that the specific heat of a gas remains constant at all temperatures and pressures______________________?
A. Charles’ Law
B. Joule’s Law
C. Regnault’s Law
D. Boyle’s Law
E. there is no such law - Specific heat of air at constant pressure is equal to___________________?
A. 0.17
B. 0.21
C. 0.24
D. 1.0
E. 1.41 - A heat exchange process in which the product of pressure and volume remains constant is known as_______________?
A. heat exchange process
B. throttling process
C. isentropic process
D. adiabatic process
E. hyperbolic process - Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
A. specific heat at constant pressure
B. specific heat at constant volume
C. ratio of two specific heats
D. gas constant
E. unity. - Characteristic gas constant of a gas is equal to______________________?
A. C/Cv
B. Cv/Cp
C. Cp – Cv
D. Cp + Cv
E. Cp x Cv - A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is________________?
A. 54°C
B. 327°C
C. 108°C
D. 654°C
E. 600°C - If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?
A. + v
B. – ve
C. zero
D. pressure x volume
E. any where between zero and infinity - An ideal gas as compared to a real gas at very high pressure occupies_________________?
A. more volume
B. less volume
C. same volume
D. unpredictable behaviour
E. no such correlation
