The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will______________?

Related Mcqs:

1. The ideal efficiency of a Brayton cycle without regeneration with increase ni pressure ratio will_________________?

   A. increase B. decrease C. remain unchanged D. increase/decrease depending on application E. unpredictable...

2. Brayton cycle consists’ of following four processes____________________?

   A. two isothermals and two isentropics B. two isentropics and two constant volumes C. two isentropics, one constant volume and one constant pressure D. two isentropics and two constant pres-sures E. none of the above...

3. 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...

4. 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...

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. 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...

7. The efficiency of Diesei cycle with decrease in cut off_________________?

   A. increases B. decreases C. remains unaffected D. first increases and then decreases E. first decreases and then increases...

8. The efficiency of Carnot cycle is maximum for_____________________?

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

9. 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...

10. Carnot cycle has maximum efficiency for__________________?

    A. reversible engine B. irreversible engine C. new engine D. petrol engine E. diesel engine...