Practice question

During engine overhaul, piston-ring end gap is measured by:

  1. Placing the ring squarely in the bore (or a ring gauge) and measuring the gap with a feeler gauge
  2. Weighing the ring on a kitchen scale only
  3. Checking only spark colour at idle
  4. Reading only the VIN plate

Answer: A — Placing the ring squarely in the bore (or a ring gauge) and measuring the gap with a feeler gauge

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