Yukon Class 7 Knowledge Test — Class 7 Practice Question
Province progress 0 / 390
Accuracy —
Rules of the Road
Quickly defog Yukon windshield on cold morning:
Show Answer & Explanation
Correct Answer: B. Defrost with AC on (dries air), warm gradually
Rapid temperature changes crack cold glass.
Why the other answers are wrong
- A.Max heat immediatelyMax heat thermal-shocks.
- C.Open all windowsOpen windows increase frost.
- D.Rub glassRubbing creates smears.