IMSA Signal I Questions with 100% Correct Answers Safety Education - Correct Answers Primary function of the IMSA
International Municipal Signal Association - Correct Answers IMSA Stands for:
Circular Red, Circular Green - Correct Answers What are the sections of a ramp meter signal?
Personal Protective Equipment - Correct Answers PPE Stands for:
Ensure advance warning devices have not been removed or relocated - Correct Answers A work zone
supervisor is responsible for:
three-section traffic signal with circular red, circular yellow, smaller circular yellow indications - Correct Answers Example of the configuration of an Emergency-Vehicle Control signal Min green, passage time, max green - Correct Answers The green interval is made up of what three components?Min, max, ped - Correct Answers What are the three typical types of recall features of a traffic signal controller?Split - Correct Answers In a coordination plan, what is the number of seconds given to each phase at the intersection?Time-based coordination - Correct Answers which of the following traffic signal coordination methods is typically the least expensive?The elapsed time between the start of a specific display until that display comes up again - Correct Answers cycle length the elapsed time between the start of a specific display until that display comes up again - Correct Answers What is a definition for cycle length?They cannot occur at the same time - Correct Answers What is a characteristic of a sequential phase? 1 / 2
Minimum time that the green indication must be displayed - Correct Answers A definition for initial green time Yield point - Correct Answers the only point in a cycle of a coordinated traffic signal controller where the major-street phase is allowed to end Rigid and free-swinging - Correct Answers two common terms to describe traffic signal supports and
signal heads are:
messenger wire - Correct Answers in a single wire with a single point attachment configuration, the
wire that supports the signal heads is called the:
- in, 12 in - Correct Answers the two nominal diameter sizes for vehicular signal lenses are:
make signal visible from a specific lane - Correct Answers the purposes of *louvers* is to: Rigid steel conduit, high density polyethylene (HDPE), PVC schedule 40 - Correct Answers conduit types for traffic signals large foundation - Correct Answers a disadvantage of mast arms Lamp socket, lens, reflector - Correct Answers components of the optical unit for an incandescent lamp truss supports, monotube supports, pedestal supports - Correct Answers methods of signal supports at least 6" - Correct Answers for pedestrian signals controlling crosswalks less than 100 feet, what is
the required height of the symbols themselves:
Inductance - Correct Answers loop detectors operate on the principle of:
lead-in cable - Correct Answers the piece of cable that connects the controller cabinet to the loops is
called a:
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