IMSA Traffic Signal Technician Level 1 Latest Update - 135 Questions and 100% Verified Correct Answers Guaranteed A+ At First Attempt Verified By Professor
A 6' x 60' loop typically has how many turns of wire: - CORRECT ANSWER: two
a Circuit that is wired in Parallel is one where: - CORRECT ANSWER: each component has its own direct path.
a Circuit that is wired in series is one where: - CORRECT ANSWER: the current goes through all of the electrical components of the circuit
a command that forces the traffic signal controller to end the green display for an
actuated phase - CORRECT ANSWER: force off
a difference between NEMA cabinets and 170 cabinets is NEMA cabinets - CORRECT
ANSWER: require connection with harnesses pre-wired into the cabinet.
a disadvantage of video detection systems is: - CORRECT ANSWER: may involve a higher initial installation cost
A good nice step procedure for troubleshooting is: - CORRECT ANSWER: observe, identify, determine, correct, observe again
a hybrid system combines - CORRECT ANSWER: closed loop systems with central
computer systems
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A Key component of documentation is: - CORRECT ANSWER: Developing written procedures for documentation, developing checklists, developing field reports
A Load switch tester or multi-switch tester is used to: - CORRECT ANSWER: verify the correct operation of a load switch. The unit verified that the correct current outputs are within the acceptable range for operation.
A loop analyzer is a unit that: - CORRECT ANSWER: a signal technician uses to troubleshoot existing loops and test newly installed loops
A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: -
CORRECT ANSWER: Data bus
a metallic pull box lid must be - CORRECT ANSWER: bonded to a grounding source
A multimeter can detect the: - CORRECT ANSWER: resistance, voltage, or current of an electrical circuit.
a plans preparation manual indicates 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:
Traffic volumes that show insufficient gaps exist on the major street to allow minor street traffic to enter or cross an intersection.
Road users at an intersection submitting a sufficient number of requests for installation of a signal based on local requirements.
Pedestrian volumes indicate a need in order to allow safe crossing of a road
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