NACE 1 LATEST 2023 PRACTICAL QUESTIONS AND 100%
CORRECT ANSWERS ANSWERS) (VERIFIED
Inhibitive coatings, in addition to serving as a barrier, actively slow down the reaction
occurring at the _____________________________.
a. Anode
b. Cathode
c. Both anode and cathode
d. All of the above - ANSWER: d. All of the above
To be effective, inhibitive coatings must be in contact with the _________________.
a. Primer
b. Coating
c. Substrate
d. Mill - ANSWER: c. Substrate
Sacrificial coatings use a metal that is __________ to steel and which corrodes
preferentially.
a. Cathodic
b. Anodic
c. Reactive
d. None of the above - ANSWER: b. Anodic
Flame-sprayed aluminum and inorganic zinc are examples of
__________________________.
a. Inhibitive coatings
b. Barrier coatings
c. Resistance coatings
d. Sacrificial coatings - ANSWER: d. Sacrificial coatings
The most basic function of any coating is its ability to ___________ to the surface on
which it is placed.
a. Adhere
b. Bond
c. Emulsify
d. React - ANSWER: a. Adhere
________________________ is the key to coating performance and long life.
a. Strong epoxy
b. Strong adhesion
c. Weak adhesion
d. Perfect condition(s) - ANSWER: b. Strong adhesion
Adhesion can be chemical, _________________, polar or a combination of all three.
a. Mechanical
, b. Electrical
c. Nuclear
d. None of the above - ANSWER: a. Mechanical
The most effective bond is the _____________ bond, which is formed by a reaction
between the coating and the substrate.
a. Polar
b. Valance
c. Mechanical
d. Chemical - ANSWER: d. Chemical
The most common type of bond for organic coatings, also known as valance bonding
is:
a. Chemical
b. Polar adhesion
c. Resin
d. Mechanical - ANSWER: b. Polar adhesion
Mechanical adhesion is associated with _________________ or anchor pattern.
a. Surface cleaning
b. Surface roughness
c. Substrate polishing
d. None of the above - ANSWER: b. Surface roughness
All forms of adhesions depend on direct contact between the coating and the
________________.
a. Primer
b. Resin
c. Substrate
d. None of the above - ANSWER: c. Substrate
A coating must exhibit a variety of properties to fulfill its role in corrosion control.
Desirable properties include:
a. Flame resistance
b. Chemical resistance
c. Ease of application
d. b and c above - ANSWER: d. b and c above
Binders made from living or once living things are found in:
a. Organic coatings
b. Inorganic coatings
c. A and b above
d. None of the above - ANSWER: a. Organic coatings
Broadly speaking, the major performance difference between organic and inorganic
coatings is:
a. Chemical resistance
CORRECT ANSWERS ANSWERS) (VERIFIED
Inhibitive coatings, in addition to serving as a barrier, actively slow down the reaction
occurring at the _____________________________.
a. Anode
b. Cathode
c. Both anode and cathode
d. All of the above - ANSWER: d. All of the above
To be effective, inhibitive coatings must be in contact with the _________________.
a. Primer
b. Coating
c. Substrate
d. Mill - ANSWER: c. Substrate
Sacrificial coatings use a metal that is __________ to steel and which corrodes
preferentially.
a. Cathodic
b. Anodic
c. Reactive
d. None of the above - ANSWER: b. Anodic
Flame-sprayed aluminum and inorganic zinc are examples of
__________________________.
a. Inhibitive coatings
b. Barrier coatings
c. Resistance coatings
d. Sacrificial coatings - ANSWER: d. Sacrificial coatings
The most basic function of any coating is its ability to ___________ to the surface on
which it is placed.
a. Adhere
b. Bond
c. Emulsify
d. React - ANSWER: a. Adhere
________________________ is the key to coating performance and long life.
a. Strong epoxy
b. Strong adhesion
c. Weak adhesion
d. Perfect condition(s) - ANSWER: b. Strong adhesion
Adhesion can be chemical, _________________, polar or a combination of all three.
a. Mechanical
, b. Electrical
c. Nuclear
d. None of the above - ANSWER: a. Mechanical
The most effective bond is the _____________ bond, which is formed by a reaction
between the coating and the substrate.
a. Polar
b. Valance
c. Mechanical
d. Chemical - ANSWER: d. Chemical
The most common type of bond for organic coatings, also known as valance bonding
is:
a. Chemical
b. Polar adhesion
c. Resin
d. Mechanical - ANSWER: b. Polar adhesion
Mechanical adhesion is associated with _________________ or anchor pattern.
a. Surface cleaning
b. Surface roughness
c. Substrate polishing
d. None of the above - ANSWER: b. Surface roughness
All forms of adhesions depend on direct contact between the coating and the
________________.
a. Primer
b. Resin
c. Substrate
d. None of the above - ANSWER: c. Substrate
A coating must exhibit a variety of properties to fulfill its role in corrosion control.
Desirable properties include:
a. Flame resistance
b. Chemical resistance
c. Ease of application
d. b and c above - ANSWER: d. b and c above
Binders made from living or once living things are found in:
a. Organic coatings
b. Inorganic coatings
c. A and b above
d. None of the above - ANSWER: a. Organic coatings
Broadly speaking, the major performance difference between organic and inorganic
coatings is:
a. Chemical resistance
