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A NACE Coating Inspector is permitted to transport coating
material when: -
ANSWER -The Inspector should never transport
coating material.
Solvents are added to coating formulations to: - ANSWER -
Dissolve binders
and form liquid
coatings.
(Also known as 'fisheyes' or 'crawling') is the term for surface
breaks in the film that reveal the substrate. It is often a result of
grease or oil contamination on the substrate. - ANSWER -
Cissing
Which coating cures the fastest? - ANSWER -Polyurea
Amine blush is likely to occur with which type of coating? -
ANSWER -Epoxy
,Fusion Bond Epoxy(FBE) is most commonly used to
coat which of the
following? - ANSWER
–Pipe
Which of the following coatings are co-reacting? - ANSWER -
Polyurethane and
Epoxy
Which of the following coatings may require external
moisture to cure? -
ANSWER -Single component polyurethane and Solvent borne
inorganic zinc.
The requirements of coating project are defined by which of
the following? -
ANSWER -Coatings
Specifications
A pre job conference is useful for discussions on which of
the following? -
ANSWER -Safety, Cleaning, Application and
Schedule.
You are the Inspector on a project where specification level of
cleaniness is
"near white". Which standard would you follow? - ANSWER -
NACE No. 2/SSPC SP 10
,The powerful standard for cleaning to bare metal with a
minimum profile of 1
Mill (25.4microns) is: - ANSWER -
SSPC SP 11
Which profile comparators are referenced by ISO 8503? -
ANSWER -Grit and
Shot
Mill scale is typically removed for which of the following
reasons? - ANSWER To avoid future delimitation, To approve
coating adhesion, and To eliminate a source of galvanic
corrosion.
Which of the following defines a "commercially" blast
cleaned surface? -
ANSWER -NACE No. 3/SSPC
SP 6
On blast cleaned surfaces, an ultraviolet light can reveal? -
ANSWER -Oil
The Inspector on a project with a sprayed polyurethane
coating. The most
probable safety concern is? - ANSWER –
Isocyanates
When applied to concrete, alkyd coatings will fall
prematurely due to? -
, ANSWER -
Saponification
Water borne latex coatings cure by a process known as?
- ANSWER -
Coalescence
Coatings that cure by polymerization are? - ANSWER -
Convertible
A pre job conference should be held: - ANSWER -after
bids have been
submitted and contracts
signed.
Which standard gives guidelines for how many DFT
measurements should be
taken in a given area? - ANSWER -
SSPC PA 2
You are on a job and observe the coating being applied in an
unacceptable manner. As the Inspector you should? - ANSWER
-Report to the Contractor's Supervisor and Report to the
Owner's Representative.
When applying coatings, generally high relative humidity it: -
ANSWER -slows
solvent
evaporation