ISMA Traffic Signal Technician II Revision Exam And All Correct Answers.
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Course
Imsa
Institution
Imsa
The traffic field technician is responsible for performing what types of maintenance on signals? - Answer Preventive and Emergency
The single most important focus for the traffic signal field technician is? - Answer Safety
Three main categories of safety a traffic signal technician is r...
ISMA Traffic Signal Technician II
Revision Exam And All Correct Answers.
The traffic field technician is responsible for performing what types of maintenance on signals? - Answer
Preventive and Emergency
The single most important focus for the traffic signal field technician is? - Answer Safety
Three main categories of safety a traffic signal technician is responsible for? - Answer Safety of motorist
and pedestrians
His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform several maintenance and repair functions above the ground and
roadway typically using what two vehicles? - Answer Bucket Truck
Aerial lift (platform truck)
While using a bucket truck or aerial lift what implement provides proper protection for the user? -
Answer Protective Harness
What responsibilities (liability) does a Traffic signal technician have while involved in repair, testing or
maintenance? - Answer Legal liability
Dealing with the public
It is imperative that the traffic signal field technician maintain comprehensive what of all the steps taken
during repair and maintenance of traffic signals? - Answer Documentation
What two instances are documentation required for a traffic signal field technician? - Answer Routine
maintenance
,Emergency repair
The "word" public usually represents the following individuals (4): - Answer Road users
Area residents / Property owners
Elected and appointed officials
The media
Several means of public interaction are (3): - Answer Mail or email
Telephone contact
Face to face meetings
When dealing with the public, keep in mind that the routines of public users may be disrupted for
periods of time during construction. How should a traffic signal field technician interact with the public?
(5) - Answer Always be polite
Be confident when speaking
Communicate clearly in understandable terminology
Don't argue or threaten
Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic systems are controlled by what? - Answer Microprocessor
The microprocessor is programmed to recognize what? - Answer Input requests from vehicle detection
systems
A microprocessor takes appropriate action to control intersection what? - Answer Timing
A forerunner of the electronic controllers that we have today was the? - Answer Electro-mechanical
controller
, What year where solid state electronic controllers developed to replace the electro-mechanical
controllers? - Answer 1970's
What two improvements differentiated electronic controllers from electro-mechanical controllers? -
Answer More dependable
Added many more features
What was the standardization that primarily established a pin configuration in the controller and defined
a function for every pin? - Answer NEMA TS-1
The NEMA TS-1 has three connectors which where known as: - Answer A,B, and C connectors
NEMA TS-1 had how many connectors? - Answer Three
The NEMA TS-1 defined every pin for each connector as either what two connection types? - Answer
Input or Output
NEMA also allowed manufactures to add an additional feature on the fourth connector. What was this
connector know as? - Answer D connector
What was the D connector commonly used for? - Answer Communications
Pre-emption
Other special features
What three agencies joined together to help develop the 170 controller? - Answer California DOT
City of Los Angeles California
New York State DOT
What controller is an open-architecture based general purpose microcomputer for traffic control? -
Answer Model 170 controller
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