"Free-swinging" signal heads are located on which of the following support systems: - correct answer-Span wires A 6' X 60' loop typically has how many turns of wire: - correct answer-Two A good five step procedure for troubleshooting is: - correct answer-Observe, identify, determine, correct, observe again A key component of documentation is: - correct answer--Developing written procedures for documentation -Developing checklists -Developing field reports A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: - correct answer-Data bus A Plans Preparation Manual Includes information regarding: - correct answer-Amount of detail, information, and proper format for traffic signal plans. A traffic signal warrant study can determine the need of installation through all of the following except: - correct answer-Y: Traffic volumes that show insufficient gaps exist on the major street to allow minor street traffic to enter or cross an intersection N: Road users at an intersection submitting a sufficient number of requests for installation of a signal based on local requirements Y: Pedestrian volumes indicate a need in order to allow safe crossing of a roadway. Y: Historical crash data shows that a signal would potentially improve safety conditions. An example of emergency maintenance is: - correct answer-Power outages/surges due to electrical storm Checking for inconsistent indications, local construction activities, and if the signal is in flashing mode would be an example of which of the four steps in the troubleshooting procedure: - correct answer-Observe Components of the optical unit for an incandescent lamp include all of the following except: - correct answer-Y: Lamp socket N: Shade Y: Lens Y: Reflector Continuity is a type of test for: - correct answer-Traffic signal conductors Crashes occur at signalized intersections due to: - correct answer-Driver error Vehicle equipment malfunction Roadway or traffic control device defects EEO participation requires the contractor to: - correct answer-Maintain a percentage of minority workers on the project. For pedestrian signals controlling crosswalks less than 100 feet, what is the required height of the symbols themselves: - correct answer-At least 6 inches IMSA stands for: - correct answer-International Municipal Signal Association In a coordination plan, what is the number of seconds given to each phase at the intersection? - correct answer-Split (g,y,r) In a single wire with a single point attachment configuration, the wire that supports the signal head is called the: - correct answer-Messenger wire In case of the perceived need for a traffic signal to allow pedestrians to cross a roadway, pedestrian volume counts are typically performed for what time duration? - correct answer-8 hours Loop detectors operate on the principle of: - correct answer-Inductance Methods of signal supports include all of these except: - correct answer-N: Arched supports Y: Truss supports Y: Monotube supports Y: Pedestal supports Multimeters are used to check: - correct answer-Resistance Voltage Current Negligence is defined as: - correct answer-The failure to do something that a reasonable person would ordinarily do Ohm's law is useful in the design and troubleshooting of circuits and describes the mathematical relationship of the following: - correct answer-Voltage Current Resistance PPE stands for: - correct answer-Personal Protective Equipment Resistance as expressed by Ohm's law is: - correct answer-R = E/I The Advanced Transportation Controller was developed to provide: - correct answer-Open architecture hardware and software platform The best way to minimize the possibility of being named in a lawsuit is by: - correct answer-Keeping good records Strict adherence to established standards Providing comprehensive maintenance procedures The first type of test performed on a controller cabinet assembly is: - correct answer-bench test The following phases are typically assigned to the major street through movements: - correct answer-2 and 6 The green interval is made up which three components? - correct answer-Minimum green, passage time, maximum green The most labor intensive type of vehicle detection installed is: - correct answer-Inductive loop detection