Q13
Consider the following statements:Automatic signalling system results in 1. greater risk 2. higher efficiency3. avoidance of block instruments4. 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
AnswerAnswer: Option D
Solution
Answer: Option D
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