A. internal energy
B. entropy
C. thermal capacity
D. enthalpy
E. thermal conductance
Related Mcqs:
- 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 - A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is__________________?
A. justified
B. not possible
C. may be possible with lot of sophistications
D. cost will be very high
E. theroretically possible - The specific heat of air increases with increase in __________________?
A. temperature
B. pressure
C. both pressure and temperature
D. variation of its constituents
E. air flow - For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be___________________?
A. zero
B. minimum
D. maximum
D. infinity
E. there is no such criterion - 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 - 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 - 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 - In a Carnot cycle, heat is transferred at_______________________?
A. constant pressure
B. constant volume
C. constant temperature
D. constant enthaply
E. any one of the above - 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
