Yukon Class 7 Knowledge Test — Class 7 Practice Question
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Accuracy —
Rules of the Road
In Yukon extreme cold, block heater use is:
Show Answer & Explanation
Correct Answer: B. Essential — engines don't start reliably without preheating
Cold-soaked oil thickens dramatically below -20°C.
Why the other answers are wrong
- A.DecorativeBlock heaters are functional.
- C.OptionalIn Yukon climate they are essential.
- D.DangerousProper installation makes them safe.