Some city transit buses may have a brake door interlock system. What is the purpose of this system?

1) To prevent the brake from engaging when the door is open
2) To prevent the door from opening when the brake is engaged
3) To automatically engage the brake when the door is closed
4) To automatically open the door when the brake is disengaged

The brake door interlock system in city transit buses ensures passengers' safety by preventing the bus from moving when the doors are open, thereby minimizing the risk of accidents. correct answer is 2) To prevent the door from opening when the brake is engaged

Explanation:

The question is about the brake door interlock system in city transit buses. This system is crucial for ensuring passenger safety by coordinating the operation of the bus's brakes and doors. Specifically, the purpose of the brake door interlock system is to prevent the bus from moving when the doors are open. This is a safety feature designed to ensure that passengers can board or alight from the bus safely without the risk of the bus unexpectedly moving. To clarify the options provided, the correct purpose of this system is to prevent the door from opening when the brake is engaged. It essentially ensures that the bus is stationary when passengers are entering or exiting, minimizing the risk of accidents.