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IMSA Traffic Control Tech 1 Certification Questions and Answers 100% Correct $12.49   Add to cart

Exam (elaborations)

IMSA Traffic Control Tech 1 Certification Questions and Answers 100% Correct

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  • IMSA Traffic Control
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  • IMSA Traffic Control

IMSA Traffic Control Tech 1 Certification Questions and Answers 100% CorrectIMSA Traffic Control Tech 1 Certification Questions and Answers 100% CorrectIMSA Traffic Control Tech 1 Certification Questions and Answers 100% CorrectIMSA Traffic Control Tech 1 Certification Questions and Answers 100% Co...

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  • September 14, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IMSA Traffic Control
  • IMSA Traffic Control
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NursingTutor1
IMSA Traffic Control Tech 1 Certification
Questions and Answers 100% Correct

High-Traffic Areas - ANSWER - High-volume streets, such as arterials. Typically wide and have multiple
lanes of travel.



Low-Traffic Areas - ANSWER - Low-volume streets such as local streets or collector streets. Typically
narrow and have single lanes of travel.



Insulated Hand Tools - ANSWER - Tools with insulated handles, designed to protect from electric shock
when working with live electricity.



Insulated Mats/Blankets - ANSWER - Safe place to stand when working on electric systrems



Circuit Breaker Finders - ANSWER - Tool that helps locate the appropriate circuit breaker or fuse that
controls the electrical supply to the area.



Conductors - ANSWER - Materials that conduct electricity

Ex. Most metals



Insulators - ANSWER - Materials that do not conduct electricity

EX. plastic, rubber, glass, ceramic



Understanding electricity - ANSWER - Electricity is similar as water flowing through pipes

Voltage is like water pressure.

Current is like amount of water.

Resistance is like the size of the pipe.



Ohm's Law - ANSWER - E = I x R

, E = Voltage(Electromotive Force) (Volts)

I = Current(Intensity) (Amps)

R = Resistance (Ohms)



120 VAC/ 24 VDC - ANSWER - Typical voltages used in traffic signal circuits



Lag Left-Turns - ANSWER - Protected left turn served after the complementary through movement. most
used in coordinated systems with closely spaced lag left turn intersections such as diamond interchanges



Lead-Lag Left Turns - ANSWER - leading and lagging left turn are provided on opposing approached of
the same street



BUS/BIU - ANSWER - central control unit, allowing communication between controller and detectors,
signal heads, communication equipment



Traffic Detectors - ANSWER - inductive loop detectors or video cameras , providing input about the
presence and movement of vehicles or pedestrians



Communication Equipment - ANSWER - communicate with central traffic management system such as
remote monitoring systems or emergency vehicle preemption systems



Split Phase Left-Turns - ANSWER - Volume of traffic is heavier on one side of street causing the green
arrows to end at different times



Alternating Current - ANSWER - The electrons flow in a switching direction going forward and backwards.
In a power grid usually 120 Volts at 60 cycles per second(Hertz)

EX.Powers homes, businesses, factories



Direct Current - ANSWER - electrons flow in one direction

5, 12, 24 Volts usually

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