IMSA LEVEL 1, Imsa traffic tech 1, IMSA level 1 certification,
IMSA Signal Technician Level 1 End of Chapter Questions,
ISMA Traffic Signal Technician II, Work Zone Temporary Traffic
Exam Questions And Correct Answers (Verified Answers) Plus
Rationales 2025 Q&A | Instant Download
\.____ assemblies provide the maximum support length to cross over a street? - ANSWERS-
Truss type assemblies.
\.__________ are used to warn the traveling public of any changes or work on the road ahead,
they are also known as variable/dynamic message signs? - ANSWERS-Changeable message signs
\._______are more stable than cones, but harder to transport - ANSWERS-Drums/barrels
\."Accessible pedestrian signals usually include a ? - ANSWERS-Signal device that feature
audible and/or vibrio tactile indications of the walk interval
\."Free-swinging" signal heads are located on which of the following support systems: -
ANSWERS-Span wires
\."Full visors "are used to ? - ANSWERS-Encircle the entires signal lens and are typically used in
applications where signal displays need to be shielded because signal displays facing in multiple
directions have been combined in one assembly
,\."Monotube supports are typically used where ? - ANSWERS-Very large intersections where
mast arms cannot reach out far enough to provide adequate coverage of the intersection.
\."Pedestrian detection " provides the means to inform the ____? - ANSWERS-Traffic signal
controller of the presence of a person desiring to cross a leg of the intersection
\."Span wire supports are made up of ? - ANSWERS-Two or more poles that support one or
more wires to which traffic signal heads and their associated electrical cables are attached
\."Strain poles " are manufactured specifically to handle what ? - ANSWERS-The strain of the
load experienced when the span wires and traffic signals are attached to them.
\."Trusses are used at ? - ANSWERS-Extremely large intersections that cannot be reasonably
serviced with either mast arms or span wire assemblies and in some cases where even a
Monotube support is not feasible or desired
\."Tunnel visors " are used for ? - ANSWERS-Applications where it is desirable to prevent the
signal indications from being seen by drivers on a conflicting approach
\.2 foot by 6 foot loop might require how many turns? - ANSWERS-5 turns
\.6foot by 20 foot loop might require how many turns? - ANSWERS-3 turns
\.6foot by 60 foot loop might require how many turns? - ANSWERS-Require 2 turns
\.12" signal heads can be used without side a pole support heads on a ____ to a _____
intersection? - ANSWERS-Minimum 40 foot maximum 120 foot intersection.
,\.120 VAC (Volts Alternating Current) is capable of what ? - ANSWERS-Serious or fatal injury
\.A "mast arms signal supports" is an assembly that typically includes what? - ANSWERS-A
concrete foundation, a steel upright pole and a steel" arms that is attached to the upright pole.
\.A 6' X 60' loop typically has how many turns of wire: - ANSWERS-Two
\.A cantilever structure would be found in a? - ANSWERS-A span wire signal
\.A diversion is - ANSWERS-temporary route to a temporary roadway
\.A flagger never stands... - ANSWERS-on open road
\.A forerunner of the electronic controllers that we have today was the? - ANSWERS-Electro-
mechanical controller
\.A good five step procedure for troubleshooting is: - ANSWERS-Observe, identify, determine,
correct, observe again
\.A high level warning device shall consist of a minimum of ____ flags and shall maintain a
height of ____ to the lowest point of the flag material. - ANSWERS-2 and 8ft
\.A key component of documentation is: - ANSWERS--Developing written procedures for
documentation
-Developing checklists
-Developing field reports
, \.A lateral buffer space may be used to separate the ______ form the work space or potentially
hazardous area. - ANSWERS-Traffic space
\.A loop detector sends a message to the controller's input file because it ____ (increases or
decreases) the inductance frequency. - ANSWERS-Decreases
\.A loop detector that is made up of two long rectangles right next to each other is called a ___?
- ANSWERS-Quadrupole loop
\.A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: - ANSWERS-Data
bus
\.A microprocessor takes appropriate action to control intersection what? - ANSWERS-Timing
\.A multi-meter provides the ability to measure?(3) - ANSWERS-DC and AC voltage
DC and AC current
Resistance
\.A new option for mid block pedestrian signals ? - ANSWERS-"Pedestrian hybrid beacon"
sometimes called high intensity actuated crosswalk or hawk
\.A Plans Preparation Manual Includes information regarding: - ANSWERS-Amount of detail,
information, and proper format for traffic signal plans.
\.A red light is out. It is reported by the police to the traffic engineering department within
reasonable time. An accident occurs. This is an example of: - ANSWERS-Notice & poor response
time
IMSA Signal Technician Level 1 End of Chapter Questions,
ISMA Traffic Signal Technician II, Work Zone Temporary Traffic
Exam Questions And Correct Answers (Verified Answers) Plus
Rationales 2025 Q&A | Instant Download
\.____ assemblies provide the maximum support length to cross over a street? - ANSWERS-
Truss type assemblies.
\.__________ are used to warn the traveling public of any changes or work on the road ahead,
they are also known as variable/dynamic message signs? - ANSWERS-Changeable message signs
\._______are more stable than cones, but harder to transport - ANSWERS-Drums/barrels
\."Accessible pedestrian signals usually include a ? - ANSWERS-Signal device that feature
audible and/or vibrio tactile indications of the walk interval
\."Free-swinging" signal heads are located on which of the following support systems: -
ANSWERS-Span wires
\."Full visors "are used to ? - ANSWERS-Encircle the entires signal lens and are typically used in
applications where signal displays need to be shielded because signal displays facing in multiple
directions have been combined in one assembly
,\."Monotube supports are typically used where ? - ANSWERS-Very large intersections where
mast arms cannot reach out far enough to provide adequate coverage of the intersection.
\."Pedestrian detection " provides the means to inform the ____? - ANSWERS-Traffic signal
controller of the presence of a person desiring to cross a leg of the intersection
\."Span wire supports are made up of ? - ANSWERS-Two or more poles that support one or
more wires to which traffic signal heads and their associated electrical cables are attached
\."Strain poles " are manufactured specifically to handle what ? - ANSWERS-The strain of the
load experienced when the span wires and traffic signals are attached to them.
\."Trusses are used at ? - ANSWERS-Extremely large intersections that cannot be reasonably
serviced with either mast arms or span wire assemblies and in some cases where even a
Monotube support is not feasible or desired
\."Tunnel visors " are used for ? - ANSWERS-Applications where it is desirable to prevent the
signal indications from being seen by drivers on a conflicting approach
\.2 foot by 6 foot loop might require how many turns? - ANSWERS-5 turns
\.6foot by 20 foot loop might require how many turns? - ANSWERS-3 turns
\.6foot by 60 foot loop might require how many turns? - ANSWERS-Require 2 turns
\.12" signal heads can be used without side a pole support heads on a ____ to a _____
intersection? - ANSWERS-Minimum 40 foot maximum 120 foot intersection.
,\.120 VAC (Volts Alternating Current) is capable of what ? - ANSWERS-Serious or fatal injury
\.A "mast arms signal supports" is an assembly that typically includes what? - ANSWERS-A
concrete foundation, a steel upright pole and a steel" arms that is attached to the upright pole.
\.A 6' X 60' loop typically has how many turns of wire: - ANSWERS-Two
\.A cantilever structure would be found in a? - ANSWERS-A span wire signal
\.A diversion is - ANSWERS-temporary route to a temporary roadway
\.A flagger never stands... - ANSWERS-on open road
\.A forerunner of the electronic controllers that we have today was the? - ANSWERS-Electro-
mechanical controller
\.A good five step procedure for troubleshooting is: - ANSWERS-Observe, identify, determine,
correct, observe again
\.A high level warning device shall consist of a minimum of ____ flags and shall maintain a
height of ____ to the lowest point of the flag material. - ANSWERS-2 and 8ft
\.A key component of documentation is: - ANSWERS--Developing written procedures for
documentation
-Developing checklists
-Developing field reports
, \.A lateral buffer space may be used to separate the ______ form the work space or potentially
hazardous area. - ANSWERS-Traffic space
\.A loop detector sends a message to the controller's input file because it ____ (increases or
decreases) the inductance frequency. - ANSWERS-Decreases
\.A loop detector that is made up of two long rectangles right next to each other is called a ___?
- ANSWERS-Quadrupole loop
\.A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: - ANSWERS-Data
bus
\.A microprocessor takes appropriate action to control intersection what? - ANSWERS-Timing
\.A multi-meter provides the ability to measure?(3) - ANSWERS-DC and AC voltage
DC and AC current
Resistance
\.A new option for mid block pedestrian signals ? - ANSWERS-"Pedestrian hybrid beacon"
sometimes called high intensity actuated crosswalk or hawk
\.A Plans Preparation Manual Includes information regarding: - ANSWERS-Amount of detail,
information, and proper format for traffic signal plans.
\.A red light is out. It is reported by the police to the traffic engineering department within
reasonable time. An accident occurs. This is an example of: - ANSWERS-Notice & poor response
time
