IMSA Traffic Signal Technician Level II | Questions and Verified Answers | Grade A | 100% Correct (2024 / 2025 Update) Q: An intersection that has four through phases and four left turn phases are considered how may phases together ? Answer: Eight phase intersection Q: Each phase is comprised of in...
IMSA Traffic Signal Technician Level II | Questions and Verified Answers | Grade A | 100% Correct (2024 / 2025 Update) Question: An intersection that has four through phases and four left turn phases are considered how may phases together ? Answer: Eight phase intersection Question: Each phase is comprised of intervals ? True or false ? Answer: True Question: (Interval )is based on? Answer: The amount of TIME that a particular indication is given during a phase Another words, the total time assigned to a specific display. Question: An example of an ( interval ) is? Answer: " the amount of time that a green indication is given during a particular phase. " (know as a "green _______ )" Question: (Ring) in a traffic signal controller is? Answer: A Series of conflicting phases that occur in simultaneously( same time ) with each other Question: What are the two typically ( ring ) that a traffic controller have ? Answer: "Single -ring" or "dual ring" Question: What are other ( rings ) that are rarely used ? And when are these types of rings used for? Answer: 3 or 4 rings & (used for two or more separate intersections are controlled by a single controller) Question: What is a ( barrier) ? Answer: Is a boundary point in the preferred sequence. Barrier that separates something so it won't have in the same time. Question: How many (barriers) does a "dual ring controller" have? Answer: Two , one for leaving the MAJOR street and one for leaving the MINOR street. Question: _______ ensure that green indications will not be given to conflicting movement at the intersection at the same time. Answer: Barriers Question: What is a ( concurrent phase) ? Answer: Are movements that happen at the same time because do not conflict ( collide) with one another. Question: Example of a ( concurrent phase ) Answer: A Through movement and a adjacent left turn movement can move on the same time. Question: What is a (sequential phase)? Answer: Cannot happen at the same time because they conflict with one another ( collide)
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