BC Class 2 Bus Practice Questions - British Columbia Class 2 Commercial Bus Driver's License Knowledge Test Exam

At what air pressure must the low pressure warning device (buzzer and light) activate on an air brake-equipped bus?

Above 100 psi Below 60 psi (414 kPa) Below 30 psi (207 kPa) Exactly 90 psi

Correct Answer:

Below 60 psi (414 kPa)

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