Exam (elaborations)
IMSA Signal technician Questions and Answers 2024
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IMSA Signal technician
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IMSA level 1 certificationWhere are you when you install alternating flashing 12" red lights? - answer At a
railroad crossing.
Who determines the the standards on traffic control devices and sets the requirements
for uniformity? - answer The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
answer120 volts AC
Where are you when you come across a signal that has a ped pole on each side of the
road, each having a 3 section signal on top followed with a 2 section mounted directly
under neath? - answerA ramp meter on a ramp to a highway.
What is a flashing signal along the road called? - answerA flashing beacon.
What is the definition of short term work zone as per the MUTCD? - answer1 hour or
less
What's OSHA? - answerOccupational and safety health administration
Can you get your level III certification and what are they? - answerYes, and it's for
bench and field electrician
I'm working near power lines where would I get my clearance from? - answerCEC, NEC,
NESC
What are the three basic types of beacons? - answerStop sign beacon, warning
beacon, and flashing beacon.
What is the difference between concurrent and sequential phases? - answerConcurrent
phases, phases that run together. Sequential phases, are phases that run one at a time.
I have a dual ring controller and all my through phases are even, what do I mean? -
answerThe dual ring phases are 2,4,6,8
What is the cheapest way to coordinate a corridor of signals? What needs to stay the
same throughout the day? - answerTime based coordination, and cycle length.
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