Questions and Correct Answers | Graded A+ |
Verified Answers | Latest Exam 2025
The traffic management center notifies a field tech that the communications to
maple st. And 1st street cuts in and out. The tech arrives at the intersection
finding the modem is overheating and indicator lights are blank. After about
twenty minutes of checking cables, the tech notices the modem is active again
and cool to the touch. The TMC confirms communications are restored. The tech
Checks the log book and finds this problem is a recuring issue. what should the
tech do? ---------CORRECT ANSWER-----------------Replace the modem
A managed network switch is being used in the cabinet. What is needed in the IP
programming of the controller to get through the switch and to the TOC? ---------
CORRECT ANSWER-----------------Gateway
The pedestrian assembly (pedestrian 6) on the SW corner was damaged in a
traffic accident and the tech cannot repair until the following day. What should
the Tech do until they return to replace the pedestrian assembly? ---------CORRECT
ANSWER-----------------Make wiring safe. Bag opposite signal display pedestrian
phase (6). Document in cabinet log book and work order system. Notify
supervisor that they need a pedestrian display assembly and to schedule the
installation.
,After doing any repairs at a traffic signal which of the following is the MOST
IMPORTANT to do before leaving the intersection? ---------CORRECT ANSWER-------
----------Observe signal is operating per plans.
Which of the following could cause signals at an intersection to repeatedly go into
flash? ---------CORRECT ANSWER-----------------The MMU shows conflict on phases
2, 6, and 4 during the red interval on 2 and 6. The phase 4 field terminal is
blackened and the terminal screw is loose
A traffic signal head for phase 8 east bound amber is out; the load switch is
blown. The Tech checks field terminals in the cabinet with a multimeter and
verifies the wire is shorted. Which of the following options describes the MOST
LIKELY cause of the shorted wire? ---------CORRECT ANSWER-----------------Signal
cable has rubbed through to bare copper.
A technician is at an intersection with a signal indication that is out. What is the
FIRST step the technician should take? ---------CORRECT ANSWER-----------------
check output voltage in field wiring.
A pedestrian phase is not being serviced after the push button is activated. What
is the FIRST thing the technician should do? ---------CORRECT ANSWER----------------
-Verify input is received in the controller.
, The Tech receives a call for a damaged signal head. When arriving on the scene,
what is the FIRST thing the technician does? ---------CORRECT ANSWER----------------
-Observe the intersection.
The technician arrives at an intersection where all the signals are out. What does
the technician do
FIRST? ---------CORRECT ANSWER-----------------check the line service to make sure
there is main power.
The technician arrives at an intersection that is dark. What type of meter does the
technician use
the check voltage? ---------CORRECT ANSWER-----------------Multimeter
A technician received a call that a signal head was knocked down. The technician
arrives on scene, repairs the problem, observes the intersection is functioning
properly and completes his job duties. What is the technician's LAST task before
leaving the intersection? ---------CORRECT ANSWER-----------------Document all
repairs and the incident in the maintenance logs.
A technician observes two different colored signals displayed at the same time in
one direction. The Tech knows the problem is LEAST LIKELY related to the ---------
CORRECT ANSWER-----------------incoming power