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Q: Hazard markers should reflect __________ light, visible at least from a distance of about ___________.
  • A. yellow; 150 m
  • B. red; 500 m
  • C. red; 150 m
  • D. yellow; 500 m
Correct Answer: Option A - Hazard markers should reflect yellow light, visible at least from a distance of about 150 m. They should be mounted at a height of approximately 3½ feet above the pavement.
A. Hazard markers should reflect yellow light, visible at least from a distance of about 150 m. They should be mounted at a height of approximately 3½ feet above the pavement.

Explanations:

Hazard markers should reflect yellow light, visible at least from a distance of about 150 m. They should be mounted at a height of approximately 3½ feet above the pavement.