A. increase
B. decrease
C. remain unchanged
D. increase/decrease depending on ap-plication
E. unpredictable
Related Mcqs:
- 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 - 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 - 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 - 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 - 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 - 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 - 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 - The efficiency of Carnot cycle is maximum for_____________________?
A. gas engine
B. well lubricated engine
C. petrol engine
D. steam engine
E. reversible engine - 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 - Carnot cycle has maximum efficiency for__________________?
A. reversible engine
B. irreversible engine
C. new engine
D. petrol engine
E. diesel engine
