Imsa Workzone Safety 93 Correctly Answered Questions Latest Update

type a, c and d beacon shall be visible {Ans: on a clear night 3,000 feet away}PCMS boards shall be visible both day and night at a distance of {Ans: 1/2 mile and ledgable at a minimum of 650 feet}the top of a vertical panel shall be ____ inches above the roadway {Ans: 36}a pcms board shall {Ans: automatically dim under varying light to maintain legibility}TCC principals and procedgures include {Ans: traffic safety, movement and guidance tcc zone inspection tcc zone maintenance}drum shall be constructed of {Ans: lightweight and deformable material}