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Piston rings

Power Mechanics · Grade 10 · about 40 minutes

The two different jobs rings do, how gas pressure makes the top ring seal harder, and why ring faults show as oil use.

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  • 6 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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