Two Technicians Are Explaining the Diesel Engine Lubrication System

Two technicians are explaining the diesel engine lubrication system. Technician A says that it removes dirt, abrasives, and contaminants from inside the engine Technician B says the cooling system assists in sealing the combustion chamber by forming a film between the piston rings and the cylinder wall. Who is right?

A) A only"
B) B only"
C) Both A and B
D) Neither A nor B"

Correct Answer:

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