Practice question

A school bus auxiliary fuel-fired (coolant) heater fails to start in cold weather. Which is a reasonable first check?

  1. The crossing gate hinge
  2. Fuel supply, glow/ignition element, combustion air, exhaust path, and control/temperature input to the heater
  3. The aisle flooring adhesive
  4. The convex mirror aim

Answer: B — Fuel supply, glow/ignition element, combustion air, exhaust path, and control/temperature input to the heater

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

Practice more: ASE S1 Body Systems & Special Equipment (School Bus) Practice Questions - ASE S1 - Body Systems & Special Equipment (School Bus) Certification Exam →