Practice question

Why is proper drainage and weep-hole maintenance important on a school bus body?

  1. Blocked drains improve sound insulation
  2. Blocked drains trap water in panels and rails, accelerating hidden corrosion and structural damage
  3. Drains are decorative
  4. Water trapped in panels prevents rust

Answer: B — Blocked drains trap water in panels and rails, accelerating hidden corrosion and structural damage

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