IMSA Traffic Signal Technician 2 NEWEST
VERSION 2025 Actual Exam Questions and
Verified Answers
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Terms in this set (104)
In a TS2 cabinet, how 1
many times can the
MMU experience a "Port
1 Fail" in a 24 hour period
before
the fault is latched?
On a 2070 MMU monitor Remove diode on program card for allowable
unit, how does the field phases
tech program allowable
phases?
On an MMU, is it Yes, it by-passes the conflict feature and will not
possible to tape the flash
reset button to prevent
the traffic signal from
going into flash?
On a NEMA CMU Install copper jumpers and soldering them on the
program card, how does program card
the signal tech program
allowable phases?
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,6/30/25, 11:40 AM IMSA Traffic Signal Technician 2 NEWEST VERSION 2025 Actual Exam Questions and Verified Answers Flashcards | Quizlet
According to best Annually
maintenance practices,
how often should
CMU/MMU be tested?
The MMU indicates a The load switch/switch pack produces no outputs.
RED-FAIL fault on phase
6. Why?
The purpose of the Controller health
controller CVM
(Controller Voltage
Monitor) output is to
allow the CMU/MMU to
monitor the
When a Technician is Replace the CMU/MMU with a newly tested unit
recertifying the
CMU/MMU at an
intersection, what should
the technician do to
have the intersection exit
flash?
Absence of all colors on Red Fail
a load switch will be
indicated by what fault
on an MMU or MMU2?
Which of the following Field check
can be programmed on
an MMU to latch after a
fault occurs?
How often is an MMU's Once a second
clock updated from the
controller?
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, 6/30/25, 11:40 AM IMSA Traffic Signal Technician 2 NEWEST VERSION 2025 Actual Exam Questions and Verified Answers Flashcards | Quizlet
In a signal cabinet, on The signal indications don't match the controller
the signal monitor, what output for a phase
does a field check
indicate?
A NEMA CMU/MMU NEMA monitors have wire jumpers missing in all
uses a program card to positions, the tech solders the ones in that allow
tell the monitor which phases to run together.
phases are permitted to
run together. Which
answer is CORRECT?
When the controller Traffic Engineer
timings DO NOT match
the timing sheet, who
should be contacted for
correct
times?
An older TS1 cabinet The mercury contactor is stuck in the normal
experiences a flash position.
condition but the signal
heads are also showing
active green, yellow, and
red indications. What is
the MOST COMMON
issue?
In a Dual-Ring, 8-phase 1
traffic signal controller,
how many phases can
run in each ring at the
same
time?
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