1 ptsPTOfficial number: 4147
What Should a tram driver do, if upon switching on drive the shoe brakes fail to disinhibit?
Explanation
Correct answer: Undo the brake release
In the event of a failure of the automatic system, which should release the shoe brakes upon engaging drive, it is necessary to unlock them mechanically. Release mechanisms are used for this very purpose; their disengagement is a standard emergency procedure that allows the tram to move off.