TRAFFIC SIGNAL TECHNICIAN LEVEL 1
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What is the primary function of the IMAS? - ANSWER: Safety Education
IMSA Stands for - ANSWER: International Municipal Signal Association
Which of the following is NOT an IMSA certification? - ANSWER: Traffic Signal
Level III Bridge Technician
Which of the following are potential safety hazards? - ANSWER: overhead and
underground power, gas, aerial lift equipment. Tra
What are the sections of a ramp mete signal - ANSWER: Circular red, circular
green
PPE stands for - ANSWER: Personal Protective Equipment
A work zone supervisor is responsible for which of the following tasks: -
ANSWER: Ensure advance warning devices have not been removed or relocated.
Which of the following is NOT a sentence type in the MUTCD?
Standards; requirement that have to be followed.
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Guidance; recommendations that are to be followed unless there I good reason not
to.
Objectives; reasons behind the standards and guidance.
Support; additional information to clarify the standards and guidance. - ANSWER:
Objectives; reasons behind the standards and guidance
Which of the following is an example configuration fo an Emergency - Vehicle
Traffic Control Signals? - ANSWER: Thee section traffic signal with circular red,
circular yellow, and smaller circular yellow indications.
The following phases are typically assigned to the major-street through
movements: - ANSWER: 2 and 6
There green interval is made up of which three components? - ANSWER:
Minimum green, passage time, maximum green
What are the three typical types of recall features of a traffic signal controller? -
ANSWER: Minimum, Maximum, Pedestrian
In a coordination plan, what is the number of seconds given to each phase at the
intersection? - ANSWER: split
which of the following traffic signal coordination methods is typically the least
expensive? - ANSWER: Time-Based Coordination
Which of the following is a definition for cycle length? - ANSWER: The elapsed
time between the start of a specific display until that display comes up again.
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Which of the following is a characteristic of sequential phases? - ANSWER: they
cannot occur at the same time.
Which of th following is a definition for initial green time - ANSWER: Minimum
time that that the green indication myst be displayed
The only point in the cycle of a coordinated traffic signal controller where the
major street phase is allowed to end is called - ANSWER: Yield point
Which of ht following is NOT a common mode of operation for timing plans in a
signal system? - ANSWER: Traffic Related
Two common terms to describe traffic signal supports and signal heads are -
ANSWER: rigid and free-swinging
IN a single wire with. single point attachment configuration, the wire that supports
the signal heads is called the - ANSWER: Messenger Wire
The two nominal diameter sizes for vehicular signal lenses are: - ANSWER: 8 in
(200mm) and 12 in (300mm)
The purpose of "Louvers" is to: - ANSWER: make signal visible from a specific
lane
Which of the following types of conduit are used for traffic signals? - ANSWER:
Rigid Steel conduit
High-density Polyethylene (HDPE)
PVC Schedule 40