Questions and Answers
1. The traffic field technician is responsible for performing what types
of
maintenance on signals?
ANS Preventive and Emergency
2. The single most important focus for the traffic signal field
technician is?
ANS Safety
3. Three main categories of safety a traffic signal technician is
responsible for?
ANS Safety of motorist and pedestrians
His or her own personal safety
Safety of public and personal property
4. Traffic signal field technicians perform several maintenance and
repair
functions above the ground and roadway typically using what two
vehicles?
ANS Bucket Truck
,Aerial lift (platform truck)
5. While using a bucket truck or aerial lift what implement
provides proper protection for the user?
ANS Protective Harness
6. What responsibilities (liability) does a Traffic signal technician
have while involved in repair, testing or maintenance?
ANS Legal liability
Dealing with the public
7. It is imperative that the traffic signal field technician maintain
comprehensive what of all the steps taken during repair and
maintenance of traffic signals?
ANS – Documentation
8. What two instances are documentation required for a traffic signal
field
technician?
ANS Routine maintenance
Emergency repair
9. The "word" public usually represents the following individuals (4)
ANS
,Road users Area residents / Property owners
Elected and appointed
officials The media
10. Several means of public interaction are (3)
ANS
Mail or email
Telephone contact
Face to face meetings
11. 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)
ANS 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.
12. Traffic signal controller units of todays traffic systems are
controlled by what?
ANS Microprocessor
, 13. The microprocessor is programmed to recognize what?
ANS Input requests from vehicle detection systems
14. A microprocessor takes appropriate action to control
intersection what?
ANS Tim- ing
15. A forerunner of the electronic controllers that we have today
was the?
ANS Elec- tro-mechanical controller
16. What year where solid state electronic controllers developed
to replace the electro-mechanical controllers?
ANS 1970's
17. What two improvements differentiated electronic
controllers from elec- tro-mechanical controllers?
ANS More dependable
Added many more features
18. What was the standardization that primarily established a pin
configuration in the controller and defined a function for every pin?
ANS NEMA TS-1
19. The NEMA TS-1 has three connectors which where known as