IMSA level 1 certification || All Solved.
Where are you when you install alternating flashing 12" red lights? correct answers At a railroad
crossing.
Who determins the the standards on traffic control devices and sets the requirements for
uniformity? correct answers The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? correct
answers 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? correct
answers A ramp meter on a ramp to a highway.
What is a flashing signal along the road called? correct answers A flashing beacon.
What is the definition of short term work zone as per the MUTCD? correct answers 1 hour or
less
What's OSHA? correct answers Occupational and safety health administration
Can you get your level III certification and what are they? correct answers Yes, and it's for bench
and field electrician
I'm working near power lines where would I get my clearance from? correct answers CEC, NEC,
NESC
What are the three basic types of beacons? correct answers Stop sign beacon, warning beacon,
and flashing beacon.
, What is the difference between concurrent and sequential phases? correct answers 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? correct
answers 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? correct answers 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? correct answers The white walking man is the ped head walk interval, and the ped
change clearance interval is the flashing orange hand.
What makes up the green interval? correct answers 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 correct answers Phases
2,6 are called Main Street, and 4,8 are called side street.
Name the three traffic signal systems? correct answers Closed loop, central computer, hybrid
systems.
If phase 2 is in recall what will the controller do? correct answers 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? correct answers Yellow interval, and is figured by using the approach speed of the
traffic.
Where are you when you install alternating flashing 12" red lights? correct answers At a railroad
crossing.
Who determins the the standards on traffic control devices and sets the requirements for
uniformity? correct answers The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? correct
answers 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? correct
answers A ramp meter on a ramp to a highway.
What is a flashing signal along the road called? correct answers A flashing beacon.
What is the definition of short term work zone as per the MUTCD? correct answers 1 hour or
less
What's OSHA? correct answers Occupational and safety health administration
Can you get your level III certification and what are they? correct answers Yes, and it's for bench
and field electrician
I'm working near power lines where would I get my clearance from? correct answers CEC, NEC,
NESC
What are the three basic types of beacons? correct answers Stop sign beacon, warning beacon,
and flashing beacon.
, What is the difference between concurrent and sequential phases? correct answers 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? correct
answers 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? correct answers 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? correct answers The white walking man is the ped head walk interval, and the ped
change clearance interval is the flashing orange hand.
What makes up the green interval? correct answers 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 correct answers Phases
2,6 are called Main Street, and 4,8 are called side street.
Name the three traffic signal systems? correct answers Closed loop, central computer, hybrid
systems.
If phase 2 is in recall what will the controller do? correct answers 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? correct answers Yellow interval, and is figured by using the approach speed of the
traffic.
