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