What action should be taken by LP while observed Abnormal jurk in Ist block section of IBS? A. Inform to SM through IBP phone B. Check his train C. If he failed to inform to SM, protection of the portion by Guard D. All of above

The correct answer is D. All of above.

The LP should inform the SM through the IBP phone as soon as possible. The SM will then be able to take appropriate action, such as stopping the train and inspecting the track. The LP should also check his train to make sure that there is no damage and that the train is safe to continue. If the LP fails to inform the SM, the guard should protect the portion by placing a red flag or stop sign at the end of the block section. This will prevent any other trains from entering the section until the problem has been resolved.

Here is a more detailed explanation of each option:

• Option A: Inform to SM through IBP phone. The LP should inform the SM through the IBP phone as soon as possible. The SM will then be able to take appropriate action, such as stopping the train and inspecting the track.
• Option B: Check his train. The LP should also check his train to make sure that there is no damage and that the train is safe to continue.
• Option C: If he failed to inform to SM, protection of the portion by Guard. If the LP fails to inform the SM, the guard should protect the portion by placing a red flag or stop sign at the end of the block section. This will prevent any other trains from entering the section until the problem has been resolved.