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IMSA Signal Technician Level 1 End of Chapter Questions and answers
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IMSA Signal Technician Level 1 End of Chapter Questions and answers
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IMSA Signal Technician Level 1 End ofChapter Questions
"Free-swinging" signal heads are located on which of the following support systems: - questions
and answers-Span wires
A 6' X 60' loop typically has how many turns of wire: - questions and answers-Two
A good five step procedure for troubleshooting is: - questions and answers-Observe, identify,
determine, correct, observe again
A key component of documentation is: - questions and answers--Developing written procedures
for documentation
-Developing checklists
-Developing field reports
A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: - questions and
answers-Data bus
A Plans Preparation Manual Includes information regarding: - questions and answers-Amount of
detail, information, and proper format for traffic signal plans.
A traffic signal warrant study can determine the need of installation through all of the following
except: - questions and answers-Y: Traffic volumes that show insufficient gaps exist on the
major street to allow minor street traffic to enter or cross an intersection
N: Road users at an intersection submitting a sufficient number of requests for installation of a
signal based on local requirements
Y: Pedestrian volumes indicate a need in order to allow safe crossing of a roadway.
Y: Historical crash data shows that a signal would potentially improve safety conditions.
An example of emergency maintenance is: - questions and answers-Power outages/surges due
to electrical storm
Checking for inconsistent indications, local construction activities, and if the signal is in flashing
mode would be an example of which of the four steps in the troubleshooting procedure: -
questions and answers-Observe
Components of the optical unit for an incandescent lamp include all of the following except: -
questions and answers-Y: Lamp socket
N: Shade
Y: Lens
Y: Reflector
, Continuity is a type of test for: - questions and answers-Traffic signal conductors
Crashes occur at signalized intersections due to: - questions and answers-Driver error
Vehicle equipment malfunction
Roadway or traffic control device defects
EEO participation requires the contractor to: - questions and answers-Maintain a percentage of
minority workers on the project.
For pedestrian signals controlling crosswalks less than 100 feet, what is the required height of
the symbols themselves: - questions and answers-At least 6 inches
IMSA stands for: - questions and answers-International Municipal Signal Association
In a coordination plan, what is the number of seconds given to each phase at the intersection? -
questions and answers-Split (g,y,r)
In a single wire with a single point attachment configuration, the wire that supports the signal
head is called the: - questions and answers-Messenger wire
In case of the perceived need for a traffic signal to allow pedestrians to cross a roadway,
pedestrian volume counts are typically performed for what time duration? - questions and
answers-8 hours
Loop detectors operate on the principle of: - questions and answers-Inductance
Methods of signal supports include all of these except: - questions and answers-N: Arched
supports
Y: Truss supports
Y: Monotube supports
Y: Pedestal supports
Multimeters are used to check: - questions and answers-Resistance
Voltage
Current
Negligence is defined as: - questions and answers-The failure to do something that a
reasonable person would ordinarily do
Ohm's law is useful in the design and troubleshooting of circuits and describes the mathematical
relationship of the following: - questions and answers-Voltage
Current
Resistance
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