Which one of the following is NOT a necessary assumption for the air-standard Otto cycle ?

Question

TuteeHUB · Accepted Answer

All processes are both internally as well as externally reversible.

TuteeHUB · Answer

The combustion process is a constant volume heat addition process.

TuteeHUB · Answer

The working fluid is an ideal gas with constant specific heats.

TuteeHUB · Answer

Intake and exhaust processes are constant volume heat rejection processes.

1.	Which one of the following is NOT a necessary assumption for the air-standard Otto cycle ?
A.	The combustion process is a constant volume heat addition process.
B.	The working fluid is an ideal gas with constant specific heats.
C.	All processes are both internally as well as externally reversible.
D.	Intake and exhaust processes are constant volume heat rejection processes.
Answer» C. All processes are both internally as well as externally reversible.

Discussion