Practice question

A school bus uses hub-piloted disc wheels. Correct installation requires:

  1. Tightening one nut fully before starting the next
  2. Cleaning mating surfaces, proper two-stage tightening, and torquing flange nuts to spec in the correct pattern
  3. Using only hand tools without a torque check
  4. Lubricating studs with anti-seize then ignoring torque

Answer: B — Cleaning mating surfaces, proper two-stage tightening, and torquing flange nuts to spec in the correct pattern

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