IMSA TRAFFIC SIGNAL TIPS QUESTIONS AND
ANSWERS SURE A+
✔✔What is the advantage of video detection systems? - ✔✔Images can be sent to
remote locations
✔✔Which of the following is a type of microwave detector? - ✔✔Frequency-modulated
continuous wave (FMCW)
✔✔A 6' X 60' loop typically has how many turns of wire: - ✔✔Two
✔✔The primary function of the CMU is: - ✔✔Prevent conflicting signal indications
✔✔What is NOT part of the overhead power service: - ✔✔N: Pull box or boxes
Y: Power supply wires
Y: Conduit riser with weatherhead
Y: Meter housing
✔✔Typical back-up battery systems provide battery power in case of an outage to a
signal for: - ✔✔2 to 6 hours
✔✔A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: -
✔✔Data bus
✔✔The Advanced Transportation Controller was developed to provide: - ✔✔Open
architecture hardware and software platform
✔✔Which of the following type of controller assemblies, without adapters, can accept
multiple software platforms and be utilized in all types of cabinets; - ✔✔2070
CONTROLLER
, ✔✔wHAT IS ANOTHER TERM FOR LOAD SWITCHES USED IN 170/2070
CONTROLLERS? - ✔✔Switch packs
✔✔Which type of controller was intended to supersede the 170 controller? - ✔✔2070
controller
✔✔The NEMA TS-2 standards cover the same items as the TS-1 standards but expand
the requirements to include which of the following: - ✔✔Treatment of signal preemption
✔✔What is NOT part of an underground power service? - ✔✔N: Conduit riser with
weatherhead
Y: Disconnect housing
Y: Power supply wires
Y: Pull box or boxes
✔✔Two common types of signal pole installations are: - ✔✔Direct buried and foundation
✔✔The first type of test performed on a controller cabinet assembly is: - ✔✔bench test
✔✔Continuity is a type of test for: - ✔✔Traffic signal conductors
✔✔The most labor intensive type of vehicle detection installed is: - ✔✔Inductive loop
detection
✔✔Which of the following 'start-up' items need to be completed by the contractor prior
to the physical construction of the traffic signal: - ✔✔Utilities notification and
coordination
Public awareness as required by the agency
Approval of traffic control plan
✔✔Which of the following equipment is NOT typically seen at the construction site of a
traffic signal: - ✔✔Y: Horizontal boring machine for conduit under pavement
Y: Aerial lift truck for above ground work
N: Grader to create level intersections
Y: Trencher for cable installation
✔✔"Free-swinging" signal heads are located on which of the following support systems:
- ✔✔Span wires
✔✔Traffic signals can be installed: - ✔✔After justification is determined through a
warrant study
ANSWERS SURE A+
✔✔What is the advantage of video detection systems? - ✔✔Images can be sent to
remote locations
✔✔Which of the following is a type of microwave detector? - ✔✔Frequency-modulated
continuous wave (FMCW)
✔✔A 6' X 60' loop typically has how many turns of wire: - ✔✔Two
✔✔The primary function of the CMU is: - ✔✔Prevent conflicting signal indications
✔✔What is NOT part of the overhead power service: - ✔✔N: Pull box or boxes
Y: Power supply wires
Y: Conduit riser with weatherhead
Y: Meter housing
✔✔Typical back-up battery systems provide battery power in case of an outage to a
signal for: - ✔✔2 to 6 hours
✔✔A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: -
✔✔Data bus
✔✔The Advanced Transportation Controller was developed to provide: - ✔✔Open
architecture hardware and software platform
✔✔Which of the following type of controller assemblies, without adapters, can accept
multiple software platforms and be utilized in all types of cabinets; - ✔✔2070
CONTROLLER
, ✔✔wHAT IS ANOTHER TERM FOR LOAD SWITCHES USED IN 170/2070
CONTROLLERS? - ✔✔Switch packs
✔✔Which type of controller was intended to supersede the 170 controller? - ✔✔2070
controller
✔✔The NEMA TS-2 standards cover the same items as the TS-1 standards but expand
the requirements to include which of the following: - ✔✔Treatment of signal preemption
✔✔What is NOT part of an underground power service? - ✔✔N: Conduit riser with
weatherhead
Y: Disconnect housing
Y: Power supply wires
Y: Pull box or boxes
✔✔Two common types of signal pole installations are: - ✔✔Direct buried and foundation
✔✔The first type of test performed on a controller cabinet assembly is: - ✔✔bench test
✔✔Continuity is a type of test for: - ✔✔Traffic signal conductors
✔✔The most labor intensive type of vehicle detection installed is: - ✔✔Inductive loop
detection
✔✔Which of the following 'start-up' items need to be completed by the contractor prior
to the physical construction of the traffic signal: - ✔✔Utilities notification and
coordination
Public awareness as required by the agency
Approval of traffic control plan
✔✔Which of the following equipment is NOT typically seen at the construction site of a
traffic signal: - ✔✔Y: Horizontal boring machine for conduit under pavement
Y: Aerial lift truck for above ground work
N: Grader to create level intersections
Y: Trencher for cable installation
✔✔"Free-swinging" signal heads are located on which of the following support systems:
- ✔✔Span wires
✔✔Traffic signals can be installed: - ✔✔After justification is determined through a
warrant study