Northwest Territories Class 7 Knowledge Test — Class 7 Practice Question
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Accuracy —
Rules of the Road
Quickly defog NT windshield on cold morning:
Show Answer & Explanation
Correct Answer: B. Defrost setting with AC on (dries air), warm gradually
Rapid temperature changes can crack cold glass; AC removes moisture.
Why the other answers are wrong
- A.Max heat immediatelyMax heat thermal-shocks cold glass.
- C.Open all windowsOpen windows increase frost with cold humid air.
- D.Rub glassRubbing creates smears.