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ATO Test 1 Questions and Answers 100% Accurate
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Exam of 5 pages for the course ATO at ATO (ATO Test 1)
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ATO Test 1Electrical Shock - answer when electrical current passes through the body
Electrical Current - answer movement or flow of electrons
Severity of electrical shock depends on: - answer Amount of current
Path of current
Amount of time
High voltage is typically - answer115VAC or more
Electrical Burns - answer Burns caused by electrical current flowing through the body
tissues and bones.
Arc Burns - answer 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 - answer Flash burn
Three types of burns - answer Arc Burn , Electrical Burn, Thermal Burn
Electrical Accident Factors - answer Unsafe equipment/installation
Workplace made unsafe by environment
Unsafe work practice
Electrical Accidents Procedures - answer Turn off power/ remove victim from circuit
Administer CPR
Personal Protection - answer Insulation
Guarding unsafe/hazardous space
Grounding
Safe work practices
Protective Devices - answer Fuse and Circuit breaker
Atom - answer Smallest particle of an element that retains the characteristics of that
element.
Atoms join together to make - answer Molecules
, Element - answer One of more than 100 known substances that cannot be divided into
simpler substances by chemical means
Molecule - answer Smallest particle into which a substance can theoretically be divided
and maintain its chemical properties.
Matter - answer Composed of large numbers of tiny particles called molecules
Mixtures - answer Two or more molecules or elements are grouped together, and each
molecule maintains chemical identity.
Protons - answer positively charged particles inside the nucleus
Neutron - answer a neutral particle in the nucleus of an atom
Electron - answer negatively charged particle; located outside the atomic nucleus
Valence Electrons - answer Electrons on the outermost energy level of an atom
Atomic Number - answer Number of protons in the nucleus
Electrons reside in groups of orbits called - answer Shells
Valence shell - answer outermost electron shell
Valance - answer 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 - answer8
Conductors - answer Substances that permit free motion of a large number of electrons
Insulator - answer substances that contain no free electrons
Semiconductor - answer Substances that are neither good conductors nor good
insulators
Ionization - answer Process by which an atom loses or gains electrons
Negative Ion - answer Atom that has more than its normal number of electrons
Positive Ion - answer Atom with less than its normal number of electrons
Law of Electrostatics - answerLaw that states like charges repel and unlike charges
attract.
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