Railway Engineering

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

  • A. I and 2 are correct
  • B. 3 and 4 are correct
  • C. 1 and 4 are correct
  • D. 2 and 3 are correct
Answer: Option D.
Explanation: 

No answer description available for this question.

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