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The two kinds of piston rings are

This question belongs to Mechanical Engineering Automobile Engineering
Automobile Engineering
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The two kinds of piston rings are

Answer & Solution
Correct Answer: Option A
The two kinds of piston rings are Compression and oil control rings
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2 Comments
S Chandra
S Chandra 6 years ago
It should be compression ring and oil scrapper ring.... There is no controlling kind of ring.... Given ans is wrong ans. Please check all 4 option.
Beyan Moore
Beyan Moore 7 years ago
This question is a very good question and which one of the answers took me by surprise. Better fuel efficiency, how does it minimize fuel consumption?
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