Practice question

Which statement about a brake-door interlock is correct?

It may hold brakes when a rear door is open, but the driver still uses the parking brake when required
It permanently replaces the parking brake
It works only when the bus is on railroad tracks
It lets the driver leave riders unattended during fueling

Answer: A — It may hold brakes when a rear door is open, but the driver still uses the parking brake when required

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