Mechanical Engineering Questions And Answers :: Thermodynamics: part6



Mechanical Engineering : Thermodynamics QUESTIONS AND ANSWERS :: part6 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.The efficiency of Diesei cycle with decrease in cut off

increases
decreases
remains unaffected
first increases and then decreases
first decreases and then increases.

12.A cycle consisting of two adiabatic and two constant pressure processes is known as

Otto cycle
Ericsson cycle
Joule cycle
Stirling cycle
Atkinson cycle.

13.The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

increase
decrease
remain unchanged
increase/decrease depending on application
unpredictable.

14.Diesel cycle consists of following four processes

two isothermals and two isentropics
two isentropics, and two constant volumes.
two isentropics, one constant volume and one constant pressure
two isentropics and two constant pressures
none of the above.

15.Brayton cycle consists of following four processes

two isothermals and two isentropics
two isentropics and two constant volumes
two isentropics, one constant volume and one constant pressure
two isentropics and two constant pressures
none of the above.

More Thermodynamics QUESTIONS AND ANSWERS available in next pages

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