ISMA Traffic Signal Technician II QUESTIONS & ANSWERS(RATED A)
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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 respons...
ISMA Traffic Signal Technician II
QUESTIONS & ANSWERS(RATED A)
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 is the primary difference between the 179 and 170 controller - ANSWER Uses a different
microprocessor
Who developed the model 2070 controller? - ANSWER CALTRANS
The 2070 was introduced to supersede which controller? - ANSWER The 170 controller
Which controller is compatible regardless of the manufacturer? - ANSWER The 2070 controller
The 2070 provides more functionality than the 170 because of what features?(3) - ANSWER Additional
processing power
Ability to program in higher level languages
Multiple high speed communications ports
Define the acronym NTCIP - ANSWER National Transportation Communications for Intelligent
transportation systems Protocol
What is a set of standards established by the consortium for controllers, cabinets and other ITS devices?
- ANSWER The NTCIP
The National Transportation Communication for ITS protocol was developed to accommodate what two
things? - ANSWER Needs of subsystems
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