Technician A says that the upside of a piston ring is often identified by a dot. Technician B measures a ring end gap of 0.018 inch in 5-inch diameter cylinder bore and says that it almost certainly exceeds the OEM specification. Who is correct?
A) Technican A only
B) Technican B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because it is common practice for a dot or some other mark to indicate the top side of a piston ring, which ensures correct installation. Technician B's statement cannot be deemed correct without knowing the specific OEM specifications, as ring end gap tolerances vary widely depending on the engine design and application.

Technician a Says That the Upside of a Piston Ring