Engineer Training Flash Cards
ABTH Only
GCOR Only
Random Question
Weekday Study
Front #155

GCOR 5.13.A

What does a blue signal signify?

  1. That workmen are on a break
  2. That workmen have rendered the equipment useless
  3. That workmen are housed within the cars
  4. That workmen are on, under, or between rolling equipment
Back #155
Flag

GCOR 5.13.A


Answer: That workmen are on, under, or between rolling equipment
Feedback:
- Blue flag protection is basically "going between" protection for mechanical employees - Blue signals must be displayed for each craft or group of workmen who will work on, under, or between rolling equipment