A. constant pressure
B. constant volume
C. constant temperature
D. constant enthaply
E. any one of the above

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Related Mcqs:

  1. If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle___________________?
    A. more B. less C. equal D. depends on other factors E. none of the above...
  2. The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?
    A. carnot cycle can’t work with saturated steam B. heat is supplied to water at temperature below the maximum temperature of the cycle C. a rankine cycle receives heat at two places D. rankine cycle is hypothetical E. none of the above...
  3. Carnot cycle efficiency is maximum when______________?
    A. initial temperature is 0°K B. final temperature is 0°K C. difference between initial and final temperature is 0°K D. final temperature is 0°C E. initial temperature is minimum possible...
  4. An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is___________________?
    A. feasible B. impossible C. possible D. possible, but with lot of sophistications E. desirable...
  5. Carnot cycle is__________________?
    A. a reversible cycle (ft) an irreversible cycle C. a semi-reversible cycle D. a quasi static cycle E. an adiabatic irreversible cycle...
  6. The efficiency of Carnot cycle is maximum for_____________________?
    A. gas engine B. well lubricated engine C. petrol engine D. steam engine E. reversible engine...
  7. 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...
  8. Carnot cycle has maximum efficiency for__________________?
    A. reversible engine B. irreversible engine C. new engine D. petrol engine E. diesel engine...
  9. 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...
  10. 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...
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