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    Question

    With reference to Kavach, consider the following

    statements: 1. It is an automatic protection system in development since 2012, under the name Train Collision Avoidance System (TCAS). 2. It is an indigenously developed technology of India. Which of the above statement(s) is/are correct?
    A 1 only Correct Answer Incorrect Answer
    B 2 only Correct Answer Incorrect Answer
    C Both 1 and 2 Correct Answer Incorrect Answer
    D Neither 1 nor 2 Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    —  It is India’s very own automatic protection system in development since 2012, under the name Train Collision Avoidance System (TCAS), which got rechristened to Kavach or “armour”. —  Simply put, it is a set of electronic devices and Radio Frequency Identification devices installed in locomotives, in the signalling system as well the tracks, that talk to each other using ultra high radio frequencies to control the brakes of trains and also alert drivers, all based on the logic programmed into them. One of its features is that by continuously refreshing the movement information of a train, it is able to send out triggers when a loco pilot jumps signal, called Signal Passed at Danger (SPAD), a grave offence in railway operations with respect to safety, and the key to accidents like collision. The devices also continuously relay the signals ahead to the locomotive, making it useful for loco pilots in low visibility, especially during dense fog.

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