Study Questions) 2024.
How is the process of steel corrosion ALWAYS described?
electrochemical
Based on the galvanic series presented in the NACE CIP Level 1 Manual, which three can be used
effectively as galvanic anodes for carbon steel?
zinc, aluminum, magnesium
A decrease in temperature will generally cause the corrosion rate to _____
decrease
The electrolyte is a medium which carries the following type of current?
Ionic
Corrosion occurring uniformly across a surface is called _____
general corrosion
When a conflict occurs on a coatings project, as the inspector, the preferred first course of action is to
_____
actively listen and endeavor to understand the positions of others
A proper coating specification should contain information regarding ____, ____, and ____
surface preparation standards, safety, and locations to be used
Is it ever okay to accept a gift from a contractor?
NO
What should you do if you find discrepancies between the specification and the coating
manufacturer's technical data sheet?
seek written clarification from the owner's representative
What are the general components of inspection reports?
- results of inspection tests
- location(s) of work
- details of preparation and application
Inspection reports typically provide sufficient detail permitting the owner to evaluate ___ ___ ___ ___
- contractor's performance
- inspector's performance
,- job progress
- work interruptions
As an inspector headed to the job site for the first time, where would you always find instruction
regarding appropriate types of PPE?
Safety Data Sheet (SDS), previously called MSDS
Materials inventory report should contain which of the following?
- quantity of each component of each material onsite
- material batch numbers
- date of materials arrival at job site and storage information
The primary function of the coating inspector is _____
specification compliance
High humidity in the air during coating application can cause _____
solvent entrapment
The temperature at which moisture condenses on a surface is called _____
dew point
Where should the steel surface temperature reading be taken?
at the actual work location
What type of water should be added to a sling psychrometer?
distilled
Which type of coating is manufactured with the specific components added to slow down the activity
of the electrochemical cell?
inhibitive
Which coating component forms a stable film that retains its characteristic properties?
binder/resin
A barrier coating interrupts the ______ of the electrochemical cell.
electrolyte
List the three mechanisms by which coatings adhere to a substrate
1. Polar
2. Chemical
3. Mechanical
What is the rule for coating work when it comes to Dew Point and Steel Temperature?
, Steel Temperature must be 5 degrees less than the Dew Point
What characteristics of solvents influence coatings?
- solvency power
- volatility
The contractor's sling psychrometer gives a different reading than your electric hygrometer. What
would you do first as an inspector?
verify calibration of both instruments
Which of the following coating are co-reacting?
- polyurethane
- epoxy
Fusion Bond Epoxy (FBE) is most commonly used to coat ____
pipe
Which coatings may require external moisture to cure?
- single component polyurethane
- solvent borne inorganic zinc
Amine blush is likely to occur with which type of coating?
epoxy
Which type of coating cures the fastest?
Polyurea
When an inorganic Zinc Rich primer is applied too heavily a common result is ______
mud cracking
Commonly used primers for steel structures are ?
- epoxy
- inorganic zinc
- organic zinc
Coatings that cure by polymerization are _____
convertible
Water-borne latex coatings cure by a process known as _____
coalescence
On a blast-cleaned surface, ultraviolet ligt can reveal _____
oil