When a diesel cycle and Otto cycle work at the same compression ratio, the ideal cycle with the lowest thermal efficiency is Otto cycle because the area shown in the P-V graph for the same ratio is more than diesel cycle.
In an engine cylinder the ratio of maximum and minimum volume of the combustion chamber and cylinder is termed as compression ratio.
Hence, When a diesel cycle and Otto cycle work at the same compression ratio, the ideal cycle with the lowest thermal efficiency is Otto cycle because the area shown in the P-V graph for the same ratio is more than diesel cycle.
to know more about compression ratio visit
https://brainly.com/question/13152665
#SPJ4
