British Columbia ICBC Knowledge Test — Class 7L Practice Question
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Accuracy —
Rules of the Road
Cold weather reduces tire pressure about:
Show Answer & Explanation
Correct Answer: A. 1 psi per 6 °C drop
Roughly 1 psi (7 kPa) per 6 °C drop. A tire set in summer is significantly underinflated in winter. Monthly pressure checks are essential in cold climates.
Why the other answers are wrong
- B.5 psi per 10 °C drop5 psi per 10 °C is too aggressive.
- C.10 psi per 20 °C drop10 psi per 20 °C is not accurate.
- D.Tire pressure is unaffected by temperaturePressure changes with temperature.
