IMSA TRAFFIC SIGNAL TECH 1
STUDY GUIDE 2025 WITH ACCURATE
ANSWERS
, Describe the significance of Garrett Morgans contribution to traffic signal development
and how it impacted modern traffic systems - ANSWERSDeveloped a three-position
traffic signal adding a 'warning' phase to reduce collisions.
"What are the two key purposes of traffic signal systems?" - ANSWERSTraffic
regulation and flow optimization
OSHA stands for what? - ANSWERSOccupational Safety and Health Administration
SDS sheets provide what type of information? - ANSWERSsafety data sheets for
chemicals
Which of the following is NOT considered part of the PPE for a Traffic Signal
Technician? - ANSWERSSneakers
What is the maximum AC voltage that Class 0 electrical gloves can handle? -
ANSWERS1,000 volts
What is the minimum OSHA-mandate clearance from overhead power lines? -
ANSWERS10 feet
Which organization is responsible for publishing the National Electrical Code (NEC) -
ANSWERSNFPA
In Ohm's Law, what does the formula E = I x R represents? - ANSWERSVoltage =
Current x Resistance
Which of the following is NOT a type of traffic signal warrant as per MUTCD -
ANSWERSVehicle Age
What is the primary purpose of "fully-actuated" traffic signal? - ANSWERSTo respond to
real-time traffic demands
How often is it recommended for a Conflict Monitor Unit (CMU) to be tested and
recertified? - ANSWERSEvery Year
In electrical terms, what does `current 'refer to? - ANSWERSWater Flow
The NEC handbook is published by? - ANSWERSthe National Fire Protection
Association, which is responsible for developing and updating the NEC
STUDY GUIDE 2025 WITH ACCURATE
ANSWERS
, Describe the significance of Garrett Morgans contribution to traffic signal development
and how it impacted modern traffic systems - ANSWERSDeveloped a three-position
traffic signal adding a 'warning' phase to reduce collisions.
"What are the two key purposes of traffic signal systems?" - ANSWERSTraffic
regulation and flow optimization
OSHA stands for what? - ANSWERSOccupational Safety and Health Administration
SDS sheets provide what type of information? - ANSWERSsafety data sheets for
chemicals
Which of the following is NOT considered part of the PPE for a Traffic Signal
Technician? - ANSWERSSneakers
What is the maximum AC voltage that Class 0 electrical gloves can handle? -
ANSWERS1,000 volts
What is the minimum OSHA-mandate clearance from overhead power lines? -
ANSWERS10 feet
Which organization is responsible for publishing the National Electrical Code (NEC) -
ANSWERSNFPA
In Ohm's Law, what does the formula E = I x R represents? - ANSWERSVoltage =
Current x Resistance
Which of the following is NOT a type of traffic signal warrant as per MUTCD -
ANSWERSVehicle Age
What is the primary purpose of "fully-actuated" traffic signal? - ANSWERSTo respond to
real-time traffic demands
How often is it recommended for a Conflict Monitor Unit (CMU) to be tested and
recertified? - ANSWERSEvery Year
In electrical terms, what does `current 'refer to? - ANSWERSWater Flow
The NEC handbook is published by? - ANSWERSthe National Fire Protection
Association, which is responsible for developing and updating the NEC
