Technician A says that it is good practice to refuel a diesel fueled truck with the engine running in cold weather. Technician B says that some modern diesel fuel systems may be under moderate pressure so care must be taken when removing the fill cap. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because modern diesel fuel systems can indeed be under pressure, and caution is necessary when removing the fill cap to avoid injury or damage. Refueling with the engine running, especially in cold weather, is generally not recommended due to safety concerns, making Technician A's statement incorrect.

Technician a Says That It Is Good Practice to Refuel