IMSA Traffic Signal Senior Field Technician III
Certification Exam Questions And Correct
Answers (Verified Answers) Plus Rationales
What is negligence? - ✔✔ANSWER✔✔->>Failure to use
reasonable care in one's actions
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
Certification Exam Questions And Correct
Answers (Verified Answers) Plus Rationales
What is negligence? - ✔✔ANSWER✔✔->>Failure to use
reasonable care in one's actions
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
