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2024 AL CDL Practice Test: Class B - Test 3

9. When using a vehicle with air brakes, the parking needs to be used _______.
A
A round, yellow, push-pull control knob.
B
A diamond-shaped, yellow, push-pull control knob.
C
A triangle, yellow, push-pull control knob.
D
A elliptic, yellow, push-pull control knob.
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Class B - Test 3
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