Practice question

A spark plug specified as a 'hotter' heat range means it:

  1. Produces a higher-voltage spark
  2. Retains more heat at its tip and runs hotter, suiting low-speed or low-load engines
  3. Fires earlier in the cycle
  4. Has a wider electrode gap

Answer: B — Retains more heat at its tip and runs hotter, suiting low-speed or low-load engines

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: BTEB Motorcycle Servicing Practice Questions - BTEB National Skill Certificate - Motorcycle Servicing Exam →