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    Question

    What was the primary technology used in the advanced

    water level monitoring system introduced by Northeast Frontier Railway?
    A GPS Correct Answer Incorrect Answer
    B LoRa and GPRS Correct Answer Incorrect Answer
    C RFID Correct Answer Incorrect Answer
    D Wi-Fi Correct Answer Incorrect Answer
    E Satellite communication Correct Answer Incorrect Answer

    Solution

    The advanced water level monitoring system introduced on the Brahmaputra Mail Express by Northeast Frontier Railway uses LoRa and GPRS-based communication for accurate and continuous monitoring of water levels in the train's tanks.

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