Multiple Choice
What is the MINIMUM vertical separation between the top rail of a railroad track and telecommunications facilities placed beneath the track?
A) 508 mm (20 in)
B) 762 mm (30 in)
C) 1020 mm (40 in)
D) 1280 mm (50 in)
E) 1525 mm (60 in)
Correct Answer:
Verified
Correct Answer:
Verified
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