IMSA level 1 Certification New Exam With Accurate
Answers 100% Verified
Where are you when you install alternating flashing 12" red lights? - ANSWER At a
railroad crossing.
Who determins 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? -
ANSWER 120 volts AC
Where are you when you come across of 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? - ANSWER A ramp meter on a ramp to a highway.
What do you call a flashing signal along the road? - ANSWER A flashing beacon.
What is the definition of short term work zone as per the MUTCD? - ANSWER 1 hour or
less
What's OSHA? - ANSWER Occupational and safety health administration
Can you get your level III certification and what are they? - ANSWER Yes and its for
bench and field electrician
Im working near power lines where would I get my clearance from? - ANSWER CEC,
NEC, NESC
, What are the three basic types of beacons? - ANSWER Stop sign beacon, warning
beacon, and flashing beacon.
What are the differences between concurrent and sequential phases? - ANSWER
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? -
ANSWER The dual ring phases are 2,4,6,8
What is the least expensive way to coordinate a corridor of signals? What must remain
constant over the course of a day? - ANSWER Time based coordination, and cycle
length.
Describe the white walking man, the flashing orange hand on a ped head and how is this
time figured? - ANSWER The white walking man is the ped head walk interval, and the
ped change clearance interval is the flashing orange hand.
What composes the green interval? - ANSWER Initial green time, passage/extension/gap
time, and max green time.
At most intersections what are phases 2,6 called, and phases 4,8 called - ANSWER
Phases 2,6 are called Main Street, and 4,8 are called side street.
Name the three traffic signal systems? - ANSWER Closed loop, central computer, hybrid
systems.
If phase 2 is in recall what will the controller do? - ANSWER The controller will service
that phase even if there is no need for it.
What happens after the green interval and before the red interval, and how is this
change interval figured? - ANSWER Yellow interval, and is figured by using the approach
speed of the traffic.
Answers 100% Verified
Where are you when you install alternating flashing 12" red lights? - ANSWER At a
railroad crossing.
Who determins 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? -
ANSWER 120 volts AC
Where are you when you come across of 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? - ANSWER A ramp meter on a ramp to a highway.
What do you call a flashing signal along the road? - ANSWER A flashing beacon.
What is the definition of short term work zone as per the MUTCD? - ANSWER 1 hour or
less
What's OSHA? - ANSWER Occupational and safety health administration
Can you get your level III certification and what are they? - ANSWER Yes and its for
bench and field electrician
Im working near power lines where would I get my clearance from? - ANSWER CEC,
NEC, NESC
, What are the three basic types of beacons? - ANSWER Stop sign beacon, warning
beacon, and flashing beacon.
What are the differences between concurrent and sequential phases? - ANSWER
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? -
ANSWER The dual ring phases are 2,4,6,8
What is the least expensive way to coordinate a corridor of signals? What must remain
constant over the course of a day? - ANSWER Time based coordination, and cycle
length.
Describe the white walking man, the flashing orange hand on a ped head and how is this
time figured? - ANSWER The white walking man is the ped head walk interval, and the
ped change clearance interval is the flashing orange hand.
What composes the green interval? - ANSWER Initial green time, passage/extension/gap
time, and max green time.
At most intersections what are phases 2,6 called, and phases 4,8 called - ANSWER
Phases 2,6 are called Main Street, and 4,8 are called side street.
Name the three traffic signal systems? - ANSWER Closed loop, central computer, hybrid
systems.
If phase 2 is in recall what will the controller do? - ANSWER The controller will service
that phase even if there is no need for it.
What happens after the green interval and before the red interval, and how is this
change interval figured? - ANSWER Yellow interval, and is figured by using the approach
speed of the traffic.
