Following an Installation of a Rebuilt Engine, a Technician Breaks

question 36

Multiple Choice

Following an installation of a rebuilt engine, a technician breaks in the engine by accelerating from 45 mph to 55 mph and coasting back to 45 mph several times. During this process, which of the following is/are true?

• A)Rings are pushed against the cylinder walls under pressure conditions.
• B)Rings are pushed against the cylinder walls under vacuum conditions.
• C)Oil is drawn onto the cylinder walls during deceleration to prevent scuffing.
• D)All of the above
• E)None of the above

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Definitions:

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