IMSA level 1 certification Exam
Questions and Answers
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.
Questions and Answers
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.
