PRACTICE WITH MARK SCHEME
◉ List 5 of the formal sections usually contained in a good
specification. Answer: -Scope of work
-Terms and definitions
-Reference standards and codes
-Safety
-Pre-job conference
-Surface Preparation
-Coating Materials
-Sampling Coatings
-Workmanship
-Application
-Work Schedule
-Repairs and remedial coating work
-Inspection
-Documentation
◉ First-In, First-Out (FIFO). Answer: Method of stock rotation in
which products are shelved based on their use-by or expiration
dates, so oldest products are used first.
,◉ Nace defines the Inspector's role as:. Answer: That of a Quality
Control Technician, responsible for observing and reporting
conformance or deviation from the project specification.
◉ Inhibitor. Answer: A substance that slows down or stops a
chemical reaction
◉ Inorganic zinc applied too thick can cause what?. Answer: Mud
cracking
◉ Hydrolysis coatings. Answer: Require some amount of water to
complete the Cure.
◉ Co-Reaction cure by polymerization. Answer: Epoxies
Urethanes
Polyureas
Polyaspartics
◉ Quality Assurance (QA). Answer: Any systematic process of
checking to see whether a product or service being developed is
meeting specific requirements.
, ◉ Quality Control (QC). Answer: A procedure or set of procedures
intended to ensure that a manufactured product or performed
service adheres to a defined set of quality criteria or meets the
requirements of the client or customer.
◉ Convertible Coatings. Answer: Coatings that cure by one of several
polymerization mechanisms. even when solvent evaporation is also
involved.
-Oxidation
-Co-reaction
-Hydrolysis
-Fusion
◉ When inspecting a silicone coating it is important to do what?.
Answer: Observe the application and ensure film is applied at the
correct DFT.
◉ Percentage of all NACE International Standards that are related to
protective coatings?. Answer: 50%
◉ Galvanic corrosion occurs on which substrate?. Answer: Steel
Metal
◉ Polymerization. Answer: joining monomers to form a polymer