Technician A says that injection quantities of fuel in a diesel engine at idle are very large. Technician B says that the cooling effect of excess air and prolonged idle has detrimental effects on the engine. Who is right?
A)A only"
B)B only"
C)Both A and B
D)Neither A nor B"

Question

Quizplus · Accepted Answer

Technician B is correct because prolonged idling in diesel engines can lead to cooling effects from excess air, which can cause issues like incomplete combustion and carbon buildup. Technician A is incorrect because injection quantities at idle are typically small, not large.

Technician a Says That Injection Quantities of Fuel in a Diesel