A. heat transfer
B. mass transfer
C. change of temperature
D. thermodynamic state
E. change of pressure and volume
Related Mcqs:
- For reversible adiabatic process, change in entropy is_________________?
A. maximum
B. minimum
C. zero
D. unpredictable
E. negative. - According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?
A. Joule’s law
B. Boyle’s law
C. Regnault’s law
D. Gay-Lussac law
E. Charles’ law - The efficiency of a Carnot engine depends on_______________________?
A. working substance
B. design of engine
C. size of engine
D. type of fuel fired
E. temperatures of source and sink - Carnot cycle efficiency depends upon________________?
A. properties of the medium/substance used
B. condition of engine
C. working condition
D. temperature range of operation
E. effectiveness of insulating material around the engine - Work done in an adiabatic process between a given pair of end states depends on__________________?
A. the end states only
B. particular adiabatic process
C. the value of index n
D. the value of heattransferred
E. mass of the system - Change in enthalpy of a system is the heat supplied at___________________?
A. constant pressure
B. constant temperature
C. constant volume
D. constant entropy
E. N.T.P. condition - Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?
A. pressure
B. temperature
C. volume
D. internal energy
E. entropy - Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
A. pressure
B. temperature
C. volume
D. internal energy
E. entropy - If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly_________________?
A. temperature
B. enthalpy
C. internal energy
D. entropy
E. all of the above - 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
