Q. Consider the following statements: 1. Anti-collision device (ACD) Network is patented by Konkan Railway Corporation Ltd. 2. Anti-collision device (ACD) uses Global Positioning System for its work Which among the above statements is / are correct?
Answer: Both are true
Notes: The Anti-collision device network is a train-collision prevention system, which was invented by Rajaram Bojji and patented by Konkan Railway Corporation Limited. ACD system depends on GPS satellites for position updates.

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