Technician A says that a diesel engine that is operated continuously under light and idle loads, can be classified as severe service operation. Technician B says that a diesel engine hauling cargo in a routine linehaul operation can be classified as severe service operation. 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 A is correct because operating a diesel engine continuously under light and idle loads can lead to issues such as incomplete combustion and soot buildup, which are characteristics of severe service operation. Technician B is incorrect because routine linehaul operation, which involves consistent and possibly heavy hauling, does not necessarily classify as severe service operation, as these engines are designed for such use.

Technician a Says That a Diesel Engine That Is Operated