IMSA Traffic Signal Technician Level 1 Exam Questions with Verified Answers |Latest 2024/2025
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Grado
IMSA Traffic Signal Technician
Institución
IMSA Traffic Signal Technician
What is the purpose of traffic signal inspection? to provide a record of construction, to document results of tests, to verify installation meets the requirements of the plans and contract documents.
Traffic signal supports that typically require some type of foundation include: mast arm pol...
Exam Questions with Verified Answers. _;- _;- _;- _;- _;-
What is the purpose of traffic signal inspection?
_;- _;- to provide
_;- _;- _;- _;- _;- _;-_;- _;- _;- _;-
a record of construction, to document results of tests, to verify
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
installation meets the requirements of the plans and contract
_;- _;- _;- _;- _;- _;- _;- _;- _;-
documents.
Traffic signal supports that typically require some type of
_;- _;- _;- _;- _;- _;- _;- _;- _;-
foundation include: mast arm poles, steel strain poles,
_;- _;-_;- _;- _;- _;- _;- _;- _;- _;-
trusses, monotones, pedestal poles for vehicular signals, and
_;- _;- _;- _;- _;- _;- _;- _;-
pedestrian signal pedestals. _;- _;-
A loop analyzer is a unit that:
_;- _;- a signal technician uses to _;- _;- _;- _;- _;-_;- _;- _;- _;- _;- _;- _;-
troubleshoot existing loops and test newly installed loops _;- _;- _;- _;- _;- _;- _;-
An ammeter or current probe is:
_;- a device that measures the
_;- _;- _;- _;- _;-_;- _;- _;- _;- _;- _;- _;-
current flowing through a wire or circuit.
_;- _;- _;- _;- _;- _;-
A multimeter can detect the:
_;- _;- _;- _;- _;-_;- _;- resistance, voltage, or current _;- _;- _;- _;-
of an electrical circuit.
_;- _;- _;-
,There green interval is made up of which three components?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;-
Minimum green, passage time, maximum green
_;- _;- _;- _;- _;- _;-
What are the three typical types of recall features of a traffic
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
signal controller? Minimum, Maximum, Pedestrian
_;- _;-_;- _;- _;- _;-
In a coordination plan, what is the number of seconds given to
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
each phase at the intersection?
_;- split _;- _;- _;- _;-_;- _;-
which of the following traffic signal coordination methods is
_;- _;- _;- _;- _;- _;- _;- _;- _;-
typically the least expensive? Time-Based Coordination
_;- _;- _;- _;-_;- _;- _;-
Which of the following is a definition for cycle length?
_;- _;- The
_;- _;- _;- _;- _;- _;- _;- _;-_;- _;- _;-
elapsed time between the start of a specific display until that
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
display comes up again. _;- _;- _;-
Which of the following is a characteristic of sequential phases?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;-
they cannot occur at the same time.
_;- _;- _;- _;- _;- _;- _;-
Which of th following is a definition for initial green time
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-
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 Yield point _;-_;- _;- _;-
Which of ht following is NOT a common mode of operation for
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
timing plans in a signal system?
_;- Traffic Related _;- _;- _;- _;- _;-_;- _;- _;-
Two common terms to describe traffic signal supports and signal
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
heads are rigid and free-swinging
_;- _;-_;- _;- _;- _;-
IN a single wire with. single point attachment configuration, the
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
wire that supports the signal heads is called the
_;- _;- Messenger _;- _;- _;- _;- _;- _;- _;-_;- _;- _;-
Wire
The two nominal diameter sizes for vehicular signal lenses are:
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;-
8 in (200mm) and 12 in (300mm)
_;- _;- _;- _;- _;- _;- _;-
The purpose of "Louvers" is to:
_;- _;- _;- _;- _;- _;-_;- _;- make signal visible from a_;- _;- _;- _;- _;-
specific lane _;-
Which of the following types of conduit are used for traffic
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
signals? Rigid Steel conduit _;-_;- _;- _;- _;-
High-density Polyethylene (HDPE) _;- _;-
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