Technician A says diesel fuel is denser (heavier)than gasoline. Technician B says diesel fuel is not as good a lubricant as gasoline; therefore wear on piston rings and cylinder walls is a greater problem for diesel engines. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because diesel fuel is indeed denser (heavier) than gasoline. Technician B is incorrect because diesel fuel actually provides better lubrication than gasoline, which helps reduce wear on piston rings and cylinder walls in diesel engines.

Technician a Says Diesel Fuel Is Denser (Heavier)than Gasoline