IMSA Traffic Signal Technician Level . Questions with correct and verified answers. A+ GRADED.

IMSA Traffic Signal Technician Level . Questions with correct and verified answers. A+ GRADED. Hazardous underground utilities: Works must be aware of what ? Correct Answer Of the location of utilities that cannot be readily seen, including what type they are and the potential for danger that they possess. "Accessible pedestrian signals usually include a ? Correct Answer Signal device that feature audible and/or vibrio tactile indications of the walk interval "Full visors "are used to ? Correct Answer Encircle the entires signal lens and are typically used in applications where signal displays need to be shielded because signal displays facing in multiple directions have been combined in one assembly "Monotube supports are typically used where ? Correct Answer Very large intersections where mast arms cannot reach out far enough to provide adequate coverage of the intersection. "Pedestrian detection " provides the means to inform the ____? Correct Answer Traffic signal controller of the presence of a person desiring to cross a leg of the intersection "Span wire supports are made up of ? Correct Answer Two or more poles that support one or more wires to which traffic signal heads and their associated electrical cables are attached "Strain poles " are manufactured specifically to handle what ? Correct Answer The strain of the load experienced when the span wires and traffic signals are attached to them. "Trusses are used at ? Correct Answer Extremely large intersections that cannot be reasonably serviced with either mast arms or span wire assemblies and in some cases where even a Monotube support is not feasible or desired "Tunnel visors " are used for ? Correct Answer Applications where it is desirable to prevent the signal indications from being seen by drivers on a conflicting approach 2 foot by 6 foot loop might require how many turns? Correct Answer 5 turns 6foot by 20 foot loop might require how many turns? Correct Answer 3 turns 6foot by 60 foot loop might require how many turns? Correct Answer Require 2 turns 120 VAC (Volts Alternating Current) is capable of what ? Correct Answer Serious or fatal injury A "mast arms signal supports" is an assembly that typically includes what? Correct Answer A concrete foundation, a steel upright pole and a steel" arms that is attached to the upright pole. A new option for mid block pedestrian signals ? Correct Answer "Pedestrian hybrid beacon" sometimes called high intensity actuated crosswalk or hawk A system of lane use control signals must be coordinated with each other because why? Correct Answer So that they are operated uniformity and consistently Americans with disabilities act (ADA ) has developed Guidelines and standards for pedestrian signals or crossing features and those are ? Correct Answer pedestrian signals or crossing features that provide persons with disabilities additional guidance or traversable access to the pedestrian sign detection device so that they can successfully execute the crossing An intersection that has four through phases and four left turn faces is what ? Correct Answer Said to be in "eight phase intersection" Back plates are typically made of ? Correct Answer Aluminum or plastic material as the traffic signal assembly Beacons shall be installed and used only at? Correct Answer And intersections to control two or more directions of travel Contributory negligence is ? Correct Answer To conduct which falls below the standard of care that a person is legally required to exercise for his own safety and this failure is contributing cause to injury or damage that he suffered Doppler microwave and FMCW have what in common ? Correct Answer They can detect volume, occupancy classification, and speed Doppler microwave detector can only detect? Correct Answer moving vehicles traveling faster than a minimum sopes. Doppler microwave detectors transmit what ? Correct Answer Low energy microwave radiation at a detection zone. During times of the day when mainline Volumes are light the ramp meter signals are usually turned on or off or neutral ? Correct Answer Turn off ( dark mode ) Each beacon Signal face consist of one or more signal sections of a standard traffic signal face with what. ? Correct Answer (CIRCULAR YELLOW & CIRCULAR RED ) Single indications in each single face