Ontario Class F Practice Test · Question
Why should you avoid excessive idling of a commercial vehicle while passengers are on board?
Excessive idling is wasteful and can lead to a buildup of carbon monoxide, which is dangerous for passengers.
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Question: Why should you avoid excessive idling of a commercial vehicle while passengers are on board?
Answer options: ✅ Carbon monoxide fumes may enter the passenger compartment.
- The engine will overheat if left idling for more than 2 minutes.
- It is illegal to idle a commercial vehicle for more than 10 seconds.
- The brakes will lose air pressure if the engine is idling.
Correct answer: Carbon monoxide fumes may enter the passenger compartment.
Explanation: Excessive idling is wasteful and can lead to a buildup of carbon monoxide, which is dangerous for passengers.
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