Carnot cycle has maximum efficiency for__________________?

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. 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

3. The efficiency of Carnot cycle is maximum for_____________________?

   A. gas engine
   B. well lubricated engine
   C. petrol engine
   D. steam engine
   E. reversible engine

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. The more effective way of increasing efficiency of Carnot engine is to____________________?

    A. increase higher temperature
    B. decrease higher temperature
    C. increase lower temperature
    D. decrease lower temperature
    E. keep lower temperature constant