IMSA SIGNAL TECHNICIAN LEVEL 1 END OF
CHAPTER 2026 FINAL REVIEW PACK
COMPLETE QUESTION SET AND CORE
CONCEPT SUMMARY
◉ What are considered low-voltage gloves? Answer: Class 00 or 0
◉ What class of gloves would you use for 15K volts AC? Answer:
Class 2
◉ Before use, every glove should be? Answer: Field tested
◉ The first thing that can lead to a legal issue when working on the
roadway? Answer: Improper traffic control
◉ High traffic area? Answer: Arterials streets and multiple lanes of
travel
◉ Low traffic areas? Answer: Collect streets, typically, narrow and
single lanes of travel
,◉ OSHA mandates that you must maintain a minimum of how many
feet clearance from overhead powerlines? Answer: 10ft
◉ What is an electrical explosion with a tremendous amount of
pressure and heat? Answer: Arc flash
◉ What must you do before you dig? Answer: Call digalert
◉ Electricity flowing through wires is similar to? Answer: Water
flowing through a pipe
◉ What is ohms law? Answer: E=IXR
◉ What is E in Ohms law? Answer: Voltage and it's is measured in
volts
◉ What is I in Ohms law? Answer: Current and it measured in amps
◉ What is R in Ohms law? Answer: Resistance and it's measured in
ohms
◉ If electricity is like water flowing through a pipe voltage is like?
Answer: Water pressure
,◉ Current is like? Answer: The amount of water flowing through a
pipe
◉ Resistance is like? Answer: The size of the pipe
◉ Power is like? Answer: The amount of energy consumed
◉ Rules for series circuits? Answer: Current is constant, voltage
drops across each load, resistance add up from each load, power
adds up from all the loads
◉ Rules for parallel circuits? Answer: Voltage is constant, current
adds up from each branch, resistance reciprocate from all the loads,
power adds up from all the loads
◉ Rules from combination circuits? Answer: Series rules for the
series load and parallel rules for parallel loads
◉ What is bonding? Answer: Connecting conductive objects together
by means of all conductors so they are at the same potential
◉ What is grounding? Answer: Connecting a conductor or electrical
device to the Earth
, ◉ What is a traffic signal warrant? Answer: A condition that an
intersection must meet to justify a signal installation
◉ What is a signal phase? Answer: A group of controller, timing
intervals, and setting used to control one movement of traffic at a
signalize intersection
◉ What traffic movements are even phases? Answer: Thru
movement
◉ What traffic movements are odd Phases? Answer: Left term
movements
◉ What is a ring? Answer: Two or more sequentially time conflicting
phases
◉ An 8 phase intersection has how many rings? Answer: 2
◉ What is a barrier? Answer: An interlock in a multi-ring controller,
or compatibility line, phases on one side of the barrier will never
operate with phases on the other side of the barrier
CHAPTER 2026 FINAL REVIEW PACK
COMPLETE QUESTION SET AND CORE
CONCEPT SUMMARY
◉ What are considered low-voltage gloves? Answer: Class 00 or 0
◉ What class of gloves would you use for 15K volts AC? Answer:
Class 2
◉ Before use, every glove should be? Answer: Field tested
◉ The first thing that can lead to a legal issue when working on the
roadway? Answer: Improper traffic control
◉ High traffic area? Answer: Arterials streets and multiple lanes of
travel
◉ Low traffic areas? Answer: Collect streets, typically, narrow and
single lanes of travel
,◉ OSHA mandates that you must maintain a minimum of how many
feet clearance from overhead powerlines? Answer: 10ft
◉ What is an electrical explosion with a tremendous amount of
pressure and heat? Answer: Arc flash
◉ What must you do before you dig? Answer: Call digalert
◉ Electricity flowing through wires is similar to? Answer: Water
flowing through a pipe
◉ What is ohms law? Answer: E=IXR
◉ What is E in Ohms law? Answer: Voltage and it's is measured in
volts
◉ What is I in Ohms law? Answer: Current and it measured in amps
◉ What is R in Ohms law? Answer: Resistance and it's measured in
ohms
◉ If electricity is like water flowing through a pipe voltage is like?
Answer: Water pressure
,◉ Current is like? Answer: The amount of water flowing through a
pipe
◉ Resistance is like? Answer: The size of the pipe
◉ Power is like? Answer: The amount of energy consumed
◉ Rules for series circuits? Answer: Current is constant, voltage
drops across each load, resistance add up from each load, power
adds up from all the loads
◉ Rules for parallel circuits? Answer: Voltage is constant, current
adds up from each branch, resistance reciprocate from all the loads,
power adds up from all the loads
◉ Rules from combination circuits? Answer: Series rules for the
series load and parallel rules for parallel loads
◉ What is bonding? Answer: Connecting conductive objects together
by means of all conductors so they are at the same potential
◉ What is grounding? Answer: Connecting a conductor or electrical
device to the Earth
, ◉ What is a traffic signal warrant? Answer: A condition that an
intersection must meet to justify a signal installation
◉ What is a signal phase? Answer: A group of controller, timing
intervals, and setting used to control one movement of traffic at a
signalize intersection
◉ What traffic movements are even phases? Answer: Thru
movement
◉ What traffic movements are odd Phases? Answer: Left term
movements
◉ What is a ring? Answer: Two or more sequentially time conflicting
phases
◉ An 8 phase intersection has how many rings? Answer: 2
◉ What is a barrier? Answer: An interlock in a multi-ring controller,
or compatibility line, phases on one side of the barrier will never
operate with phases on the other side of the barrier
