In a Carnot cycle, heat is transferred at_______________________?

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