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Discussion :: Railway Engineering

  1. Consider the following statements:
    Automatic signalling system results in
    1. greater risk
    2. higher efficiency
    3. avoidance of block instruments
    4. higher operating cost
    Of these statements

    2. A.

     I and 2 are correct
    B.

     3 and 4 are correct
    C.

     1 and 4 are correct
    D.

     2 and 3 are correct

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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