IMSA LEVEL 1 CERTIFICATION EXAM | ACTUAL QUESTIONS
AND ANSWERS | 100% CORRECT
Where are you when you install alternating flashing 12" red lights? - At a railroad
crossing.
Who determins the the standards on traffic control devices and sets the requirements
for uniformity? - The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
120 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? - A ramp meter on a ramp to a highway.
What is a flashing signal along the road called? - A flashing beacon.
What is the definition of short term work zone as per the MUTCD? - 1 hour or less
What's OSHA? - Occupational and safety health administration
Can you get your level III certification and what are they? - Yes, and it's for bench and
field electrician
I'm working near power lines where would I get my clearance from? - CEC, NEC,
NESC
What are the three basic types of beacons? - Stop sign beacon, warning beacon, and
flashing beacon.
What is the difference between concurrent and sequential phases? - Concurrent
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? -
The 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? - Time based coordination, and cycle length.
AND ANSWERS | 100% CORRECT
Where are you when you install alternating flashing 12" red lights? - At a railroad
crossing.
Who determins the the standards on traffic control devices and sets the requirements
for uniformity? - The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
120 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? - A ramp meter on a ramp to a highway.
What is a flashing signal along the road called? - A flashing beacon.
What is the definition of short term work zone as per the MUTCD? - 1 hour or less
What's OSHA? - Occupational and safety health administration
Can you get your level III certification and what are they? - Yes, and it's for bench and
field electrician
I'm working near power lines where would I get my clearance from? - CEC, NEC,
NESC
What are the three basic types of beacons? - Stop sign beacon, warning beacon, and
flashing beacon.
What is the difference between concurrent and sequential phases? - Concurrent
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? -
The 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? - Time based coordination, and cycle length.
