Multiple Choice
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) 1 and 2 are correct
B) 3 and 4 are correct
C) 1 and 4 are correct
D) 2 and 3 are correct
Correct Answer:

Verified
Correct Answer:
Verified
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