Question
The graph below represents the Otto-cycle, based on which petrol engines are run.
The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. What is the ideal efficiency of the engine? Use γ = 1.40.
The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. What is the ideal efficiency of the engine? Use γ = 1.40.
Answer: Option C
:
C
The efficiency of an Otto engine is given by the formula
e=1−1rγ−1r= compression ratio
Substituting for known values we get
e=1−1(8810)1.4−1
=1−1(8810).4=1−(1088)0.4
Was this answer helpful ?
:
C
The efficiency of an Otto engine is given by the formula
e=1−1rγ−1r= compression ratio
Substituting for known values we get
e=1−1(8810)1.4−1
=1−1(8810).4=1−(1088)0.4
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution