A. internal energy
B. entropy
C. thermal capacity
D. enthalpy
E. thermal conductance

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Related Mcqs:

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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...
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