IMSA LEVEL 1 CERTIFICATION EXAM
WITH A 100% CORRECT 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.
Explain the white walking man, the flashing orange hand on a ped head
and how is this time figured? - ✔✔The white walking man is the ped head
walk interval, and the ped change clearance interval is the flashing orange
hand.
WITH A 100% CORRECT 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.
Explain the white walking man, the flashing orange hand on a ped head
and how is this time figured? - ✔✔The white walking man is the ped head
walk interval, and the ped change clearance interval is the flashing orange
hand.
