To receive the train on obstructed line______ authority is used.
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A.
T/509
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B.
T/510
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C.
T/511
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D.
T/512
Correct Answer:
A. T/509
Explanation:
T/509 is the specific operational authority used in railway signaling to permit a train to enter a line that is already occupied or obstructed. When standard signals cannot be cleared due to the presence of another vehicle or a physical blockage, the Station Master issues this form to the Loco Pilot. The process involves piloting the train at a restricted speed, typically not exceeding 15 kmph, to ensure the driver can stop short of any obstacle. This protocol maintains safety by requiring manual verification of points and pathing before the train is allowed to proceed onto the affected track.
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