Which category of top compression ring is used on most current highway diesel engines?
A) rectangular
B) rectangular, taper face
C) keystone
D) oval

Name: Which category of top compression ring is used on most current highway diesel engines? A) rectangular B) rectangular, taper face C) keystone D) oval
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Question

Quizplus · Accepted Answer

Keystone rings are commonly used in modern highway diesel engines due to their ability to handle high temperatures and pressures, as well as their self-cleaning properties.

Which Category of Top Compression Ring Is Used on Most