ATO Test 1 Questions and Answers Solved Correctly Latest Update 2025
Electrical Shock - Answers when electrical current passes through the body
Electrical Current - Answers movement or flow of electrons
Severity of electrical shock depends on: - Answers Amount of current
Path of current
Amount of time
High voltage is typically - Answers 115VAC or more
Electrical Burns - Answers Burns caused by electrical current flowing through the body tissues and
bones.
Arc Burns - Answers Caused by electrical energy traveling from an area of high resistance to an area of
low resistance.
An arc burn on the skin is also known as - Answers Flash burn
Three types of burns - Answers Arc Burn , Electrical Burn, Thermal Burn
Electrical Accident Factors - Answers Unsafe equipment/installation
Workplace made unsafe by environment
Unsafe work practice
Electrical Accidents Procedures - Answers Turn off power/ remove victim from circuit
Administer CPR
Personal Protection - Answers Insulation
Guarding unsafe/hardzarous space
Grounding
Safe work practices
Protective Devices - Answers Fuse and Circuit breaker
Atom - Answers Smallest particle of an element that retains the characteristics of that element.
Atoms join together to make - Answers Molecules
Element - Answers One of more than 100 known substances that cannot be divided into simpler
substances by chemical means
, Molecule - Answers Smallest particle into which a substance can theoretically be divided and maintain
its chemical properties.
Matter - Answers Composed of large numbers of tiny particles called molecules
Mixtures - Answers Two or more molecules or elements are grouped together, and each molecule
maintains chemical identity.
Protons - Answers positively charged particles inside the nucleus
Neutron - Answers a neutral particle in the nucleus of an atom
Electron - Answers negatively charged particle; located outside the atomic nucleus
Valence Electrons - Answers Electrons on the outermost energy level of an atom
Atomic Number - Answers Number of protons in the nucleus
Electrons reside in groups of orbits called - Answers Shells
Valence shell - Answers outermost electron shell
Valance - Answers a number that represents the extent to whcih an atom is able to combine directly
with other atoms
Max number of electrons in a shell - Answers 8
Conductors - Answers Substances that permit free motion of a large number of electrons
Insulator - Answers substances that contain no free electrons
Semiconductor - Answers Substances that are neither good conductors nor good insulators
Ionization - Answers Process by which an atom loses or gains electrons
Negative Ion - Answers Atom that has more than its normal number of electrons
Positive Ion - Answers Atom with less than its normal number of electrons
Law of Electrostatics - Answers Law that states like charges repel and unlike charges attract.
Electromotive Force - Answers Ability to make electrons move
Symbol: E or V
Measuring Device: Voltmeter
6 ways to produce voltage - Answers Pressure
Heat
Electrical Shock - Answers when electrical current passes through the body
Electrical Current - Answers movement or flow of electrons
Severity of electrical shock depends on: - Answers Amount of current
Path of current
Amount of time
High voltage is typically - Answers 115VAC or more
Electrical Burns - Answers Burns caused by electrical current flowing through the body tissues and
bones.
Arc Burns - Answers Caused by electrical energy traveling from an area of high resistance to an area of
low resistance.
An arc burn on the skin is also known as - Answers Flash burn
Three types of burns - Answers Arc Burn , Electrical Burn, Thermal Burn
Electrical Accident Factors - Answers Unsafe equipment/installation
Workplace made unsafe by environment
Unsafe work practice
Electrical Accidents Procedures - Answers Turn off power/ remove victim from circuit
Administer CPR
Personal Protection - Answers Insulation
Guarding unsafe/hardzarous space
Grounding
Safe work practices
Protective Devices - Answers Fuse and Circuit breaker
Atom - Answers Smallest particle of an element that retains the characteristics of that element.
Atoms join together to make - Answers Molecules
Element - Answers One of more than 100 known substances that cannot be divided into simpler
substances by chemical means
, Molecule - Answers Smallest particle into which a substance can theoretically be divided and maintain
its chemical properties.
Matter - Answers Composed of large numbers of tiny particles called molecules
Mixtures - Answers Two or more molecules or elements are grouped together, and each molecule
maintains chemical identity.
Protons - Answers positively charged particles inside the nucleus
Neutron - Answers a neutral particle in the nucleus of an atom
Electron - Answers negatively charged particle; located outside the atomic nucleus
Valence Electrons - Answers Electrons on the outermost energy level of an atom
Atomic Number - Answers Number of protons in the nucleus
Electrons reside in groups of orbits called - Answers Shells
Valence shell - Answers outermost electron shell
Valance - Answers a number that represents the extent to whcih an atom is able to combine directly
with other atoms
Max number of electrons in a shell - Answers 8
Conductors - Answers Substances that permit free motion of a large number of electrons
Insulator - Answers substances that contain no free electrons
Semiconductor - Answers Substances that are neither good conductors nor good insulators
Ionization - Answers Process by which an atom loses or gains electrons
Negative Ion - Answers Atom that has more than its normal number of electrons
Positive Ion - Answers Atom with less than its normal number of electrons
Law of Electrostatics - Answers Law that states like charges repel and unlike charges attract.
Electromotive Force - Answers Ability to make electrons move
Symbol: E or V
Measuring Device: Voltmeter
6 ways to produce voltage - Answers Pressure
Heat
