ABYC Corrosion with 100% correct
answers 2025
GFCI stands for... - Correct AnswerGround Fault Circuit Interrupter
T/F A galvanic isolator WILL block stray AC. - Correct AnswerFalse. A galvanic isolator
WILL NOT block AC. It will only blocks stray DC that is moving through the green
grounding conductor.
T/F An isolation transformer makes a galvanic isolator unnecessary. - Correct
AnswerTrue.
An isolation transformer works through electromagnetic _________. - Correct
AnswerInduction
A reverse polarity indicator is placed between which two wires? Why? - Correct
AnswerWhite neutral and green grounding.
If the black hot and white neutral are reversed, electricity will flow through the white
neutral illuminating the indicator light and leaving through the green grounding
conductor.
Bonding wires shall be at least #__ AWG - Correct Answer#8 AWG
Electrolytic corrosion is commonly known as: - Correct AnswerStray-current corrosion
Stray-current corrosion is technically called: - Correct AnswerElectrolytic corrosion
Matter can exist as a - Correct AnswerSolid, liquid, or gas
Matter is made from - Correct AnswerMolecules
Molecules are made of - Correct AnswerAtoms
Atoms are made of - Correct Answerprotons, neutrons, electrons
The atom is electrically - Correct AnswerNeutral. That's because the particles that
comprise an atom balance each other.
the outer shell of an atom is called the - Correct AnswerValence shell
When the valence shell of an atom is completely filled, the atom is in its most ______
state. - Correct AnswerStable.
Atoms that have gained or lost an electron are known as - Correct AnswerIons
, T/F Ions can have positive or negative charges? - Correct AnswerTrue.
Define Ionization - Correct AnswerThe process by which an atom or molecule acquires
a charge.
What are the two types of chemical bonds? - Correct AnswerCovalent and ionic
In covalent bonds, atoms form chemical bonds by _______ electrons. - Correct
AnswerSharing.
E.g. water, H2O
In ionic bonds, atoms form chemical bonds by _______ electrons. - Correct
AnswerGiving up or gaining electrons.
The atom giving an electron become a positive ion. The atom gaining an electron
becomes a negative ion. Oppositely charged bodies are attracted to each other,
bonding them together.
E.g. Sodium Chloride, NaCl, table salt.
T/F Atoms in the valence shell are involved in the corrosion process? - Correct
AnswerTrue
What is disassociation with regard to electrolyte? - Correct AnswerWhen an ionic
substance (like sodium chloride, table salt) is immersed in water it disassociates, or
separates, into positive and negative ions.
__________ are electrical conductors in which current is carried by ions rather than by
free electrons. - Correct AnswerElectrolytes
The three categories of corrosion are: - Correct AnswerElectrochemical, galvanic, and
electrolytic
Single-metal corrosion is technically referred to as - Correct AnswerElectrochemical
corrosion
Electrochemical corrosion is commonly known as - Correct AnswerSingle-metal
corrosion
Galvanic corrosion is sometimes referred to as - Correct AnswerTwo-metal corrosion or
bi-metallic corrosion
Corrosion is often improperly called - Correct AnswerElectrolysis.
answers 2025
GFCI stands for... - Correct AnswerGround Fault Circuit Interrupter
T/F A galvanic isolator WILL block stray AC. - Correct AnswerFalse. A galvanic isolator
WILL NOT block AC. It will only blocks stray DC that is moving through the green
grounding conductor.
T/F An isolation transformer makes a galvanic isolator unnecessary. - Correct
AnswerTrue.
An isolation transformer works through electromagnetic _________. - Correct
AnswerInduction
A reverse polarity indicator is placed between which two wires? Why? - Correct
AnswerWhite neutral and green grounding.
If the black hot and white neutral are reversed, electricity will flow through the white
neutral illuminating the indicator light and leaving through the green grounding
conductor.
Bonding wires shall be at least #__ AWG - Correct Answer#8 AWG
Electrolytic corrosion is commonly known as: - Correct AnswerStray-current corrosion
Stray-current corrosion is technically called: - Correct AnswerElectrolytic corrosion
Matter can exist as a - Correct AnswerSolid, liquid, or gas
Matter is made from - Correct AnswerMolecules
Molecules are made of - Correct AnswerAtoms
Atoms are made of - Correct Answerprotons, neutrons, electrons
The atom is electrically - Correct AnswerNeutral. That's because the particles that
comprise an atom balance each other.
the outer shell of an atom is called the - Correct AnswerValence shell
When the valence shell of an atom is completely filled, the atom is in its most ______
state. - Correct AnswerStable.
Atoms that have gained or lost an electron are known as - Correct AnswerIons
, T/F Ions can have positive or negative charges? - Correct AnswerTrue.
Define Ionization - Correct AnswerThe process by which an atom or molecule acquires
a charge.
What are the two types of chemical bonds? - Correct AnswerCovalent and ionic
In covalent bonds, atoms form chemical bonds by _______ electrons. - Correct
AnswerSharing.
E.g. water, H2O
In ionic bonds, atoms form chemical bonds by _______ electrons. - Correct
AnswerGiving up or gaining electrons.
The atom giving an electron become a positive ion. The atom gaining an electron
becomes a negative ion. Oppositely charged bodies are attracted to each other,
bonding them together.
E.g. Sodium Chloride, NaCl, table salt.
T/F Atoms in the valence shell are involved in the corrosion process? - Correct
AnswerTrue
What is disassociation with regard to electrolyte? - Correct AnswerWhen an ionic
substance (like sodium chloride, table salt) is immersed in water it disassociates, or
separates, into positive and negative ions.
__________ are electrical conductors in which current is carried by ions rather than by
free electrons. - Correct AnswerElectrolytes
The three categories of corrosion are: - Correct AnswerElectrochemical, galvanic, and
electrolytic
Single-metal corrosion is technically referred to as - Correct AnswerElectrochemical
corrosion
Electrochemical corrosion is commonly known as - Correct AnswerSingle-metal
corrosion
Galvanic corrosion is sometimes referred to as - Correct AnswerTwo-metal corrosion or
bi-metallic corrosion
Corrosion is often improperly called - Correct AnswerElectrolysis.
