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 co...
IMSA Traff ic Signal Technician Level II | Question s and Verifie d 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 intervals ? True or false ? Answer: True Q: (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. Q: 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 _______ )" Q: (Ring) in a traffic signal controller is? Answer: A Series of conflicting phases that occur in simultaneously( same time ) with each other Q: What are the two typically ( ring ) that a traffic controller have ? Answer: "Single -ring" or "dual ring" Q: 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) Q: 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. Q: How many (barriers) does a "dual ring controller" have? Answer: Two , one for leaving the MAJOR street and one for leaving the MINOR street. Q: _______ ensure that green indications will not be given to conflicting movement at the intersection at the same time. Answer: Barriers Q: What is a ( concurrent phase) ? Answer: Are movements that happen at the same time because do not conflict ( collide) with one another. Q: Example of a ( concurrent phase ) Answer: A Through movement and a adjacent left turn movement can move on the same time. Q: What is a (sequential phase)? Answer: Cannot happen at the same time because they conflict with one another ( collide) Q: In a " sequential phases ? How many movements can it have? Answer: Only one phase is served at a time Q: Traffic signal industry has developed basic standards that provide common terms snd concept , but the most important thing is to have an understanding of your_______ Answer: Local agency standards Q: What is (traffic signal timing)? Answer: The assignment of specific number of seconds for each interval of each controller timing function. Q: ________ are a more detailed assignment of specific portions of time within a phase. Answer: Phase intervals Q: phase intervals can be ? Answer: Green, yellow , red and pedestrian intervals Q: A green interval is ? Answer: Is the total time assigned to the green indication for a phase whether sequential or concurrent. Q: Minimum green or initial green time is? Answer: Is the absolute minimum time that the green indication must be displayed.
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