BC Air Brake Practice · Question
Scenario 197: When parking on a slope, you should:
Always apply spring brakes; on steep grades also chock the wheels — never rely on the foot valve to hold the vehicle. The correct answer is "Apply spring (park)
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Question: Scenario 197: When parking on a slope, you should:
Answer options:
- Apply only the foot valve ✅ Apply spring (park) brakes and chock the wheels on steep grades
- Leave the air system charged with foot brake
- Use only the trailer hand valve
Correct answer: Apply spring (park) brakes and chock the wheels on steep grades
Explanation: Always apply spring brakes; on steep grades also chock the wheels — never rely on the foot valve to hold the vehicle. The correct answer is "Apply spring (park) brakes and chock the wheels on steep grades". This capacity-fill scenario 197 reinforces the same competency for the airbrake bank and follows the certified explanation standard.
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