IMSA Traffic Signal Technician II Latest Update 2024-2025 Actual Exam with 200 Questions and 100% Verified Correct Answers Guaranteed A+ At First Attempt Verified By Professor
A forerunner of the electronic controllers that we have today was the? - CORRECT
ANSWER: Electro-mechanical controller
A microprocessor takes appropriate action to control intersection what? - CORRECT
ANSWER: Timing
A multi-meter provides the ability to measure?(3) - CORRECT ANSWER: DC and AC
voltage DC and AC current Resistance
A split includes what three things associated with the phase? - CORRECT ANSWER:
Green time Yellow time Red time
A standard multi-meter includes what three main measurement features? - CORRECT
ANSWER: Voltage
Current Resistance
Advanced loops are usually square point loop detectors that are placed? - CORRECT
ANSWER: Upstream from the stop line
Ammeters are also known as?(5) - CORRECT ANSWER: Clamp-on ammeter 1 / 3
Amprobe Clamp meter Current probe Tong tester
An inductive loop assembly consist of? - CORRECT ANSWER: Detector amplifier
Lead in cable Insulated loop wire Shallow slot sawed in pavement
An intersection that has four through phases and four protected left-turn phases is said
to be an "what" intersection? - CORRECT ANSWER: Eight-phase
An intersection will remain in flash mode until the monitor unit is? - CORRECT
ANSWER: Reset
Analog multi-meter functions:(3) - CORRECT ANSWER: Low impedance Fast meter reaction time(measurement time) Provides a quick go or no-go indication
As sensitivity is increased a loop detector has a tendency to do what? - CORRECT
ANSWER: "Lock" or place a constant call
Battery backup system manufactures claim that switching to red flashing operation at "what battery" level percent significantly extends run time? - CORRECT ANSWER: 40%
Because of the sensitivity to impedance variations, a TDR may be used to: (3) -
CORRECT ANSWER: Verify cable impedance characteristics
Splice and connector locations Estimate cable lengths 2 / 3
Bucket trucks may have a boom that is capable of rotating and extending which is
called? - CORRECT ANSWER: Articulating boom
Controllers typically have what two types of ring operation? - CORRECT ANSWER:
Single Dual
Define TDR? - CORRECT ANSWER: Time domain reflectometer
Define the acronym NTCIP - CORRECT ANSWER: National Transportation
Communications for Intelligent transportation systems Protocol
Describes the direction of approach and the maneuver made at the intersection? -
CORRECT ANSWER: (Vehicle) Movement
Dial-up modems provide what in relation to the transition of data? - CORRECT
ANSWER: Reliability
Efficiency
Digital multi-meter functions:(5) - CORRECT ANSWER: High input impedance Automatic ranging of measurements Automatic polarity identification Sample and hold circuitry Provides a greater number of testing functions
Each vehicular phase is usually comprised of three specific intervals: - CORRECT
ANSWER: Green interval
Yellow change interval Red clearance interval
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