IMSA level 1 Questions with Verified Correct
Answers
What is negligence?
Failure to use reasonable care in one's actions
What are considered low-voltage gloves?
Class 00 or 0
What class of gloves would you use for 15K volts AC?
Class 2
Before use, every glove should be?
Field tested
Splicing
Loop slices to the home run cable are to be soldered and waterproof
The first thing that can lead to a legal issue when working on the roadway?
Improper traffic control
High traffic area?
Arterials streets and multiple lanes of travel
Low traffic areas?
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?
,10ft
What is an electrical explosion with a tremendous amount of pressure and heat?
Arc flash
What must you do before you dig?
Call digalert
Electricity flowing through wires is similar to?
Water flowing through a pipe
What is ohms law?
E=IXR
What is E in Ohms law?
Voltage and it's is measured in volts
What is I in Ohms law?
Current and it measured in amps
What is R in Ohms law?
Resistance and it's measured in ohms
If electricity is like water flowing through a pipe voltage is like?
Water pressure
Current is like?
The amount of water flowing through a pipe
Resistance is like?
, The size of the pipe
Power is like?
The amount of energy consumed
Rules for series circuits?
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?
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?
Series rules for the series load and parallel rules for parallel loads
What is bonding?
Connecting conductive objects together by means of all conductors so they are at the same
potential
What is grounding?
Connecting a conductor or electrical device to the Earth
What is a traffic signal warrant?
A condition that an intersection must meet to justify a signal installation
What is a signal phase?
A group of controller, timing intervals, and setting used to control one movement of traffic at
a signalize intersection
Answers
What is negligence?
Failure to use reasonable care in one's actions
What are considered low-voltage gloves?
Class 00 or 0
What class of gloves would you use for 15K volts AC?
Class 2
Before use, every glove should be?
Field tested
Splicing
Loop slices to the home run cable are to be soldered and waterproof
The first thing that can lead to a legal issue when working on the roadway?
Improper traffic control
High traffic area?
Arterials streets and multiple lanes of travel
Low traffic areas?
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?
,10ft
What is an electrical explosion with a tremendous amount of pressure and heat?
Arc flash
What must you do before you dig?
Call digalert
Electricity flowing through wires is similar to?
Water flowing through a pipe
What is ohms law?
E=IXR
What is E in Ohms law?
Voltage and it's is measured in volts
What is I in Ohms law?
Current and it measured in amps
What is R in Ohms law?
Resistance and it's measured in ohms
If electricity is like water flowing through a pipe voltage is like?
Water pressure
Current is like?
The amount of water flowing through a pipe
Resistance is like?
, The size of the pipe
Power is like?
The amount of energy consumed
Rules for series circuits?
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?
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?
Series rules for the series load and parallel rules for parallel loads
What is bonding?
Connecting conductive objects together by means of all conductors so they are at the same
potential
What is grounding?
Connecting a conductor or electrical device to the Earth
What is a traffic signal warrant?
A condition that an intersection must meet to justify a signal installation
What is a signal phase?
A group of controller, timing intervals, and setting used to control one movement of traffic at
a signalize intersection
