Practice question
Why must school bus warning lamp lenses be inspected for fading and cracks?
- Lens condition only affects fuel economy
- Faded lenses improve aerodynamics
- Faded or cracked lenses reduce light output and visibility, weakening the legally required warning signal
- Cracked lenses are required for ventilation
Answer: C — Faded or cracked lenses reduce light output and visibility, weakening the legally required warning signal
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