Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided

can not work as it is impossible

Diesel engine can work on very lean air fuel ratio of the order of 30

1.	Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided
A.	it is properly designed
B.	best quality fuel is used
C.	can not work as it is impossible
D.	flywheel size is proper
Answer» D. flywheel size is proper