Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal?
A)Detectors
B)Point lock
C)Iock bar
D)Stretcher bar

Question

Quizplus · Accepted Answer

Lock bars are used to ensure that the route cannot be changed while the train is on the point, even if the signal is put back. They lock the points in place, preventing movement and ensuring safety.

Which of the Following Mechanical Devices Is Used to Ensure