NACE CIP Level 1 CBT 2023 Updated Exam
| Questions with Verified Answers
QUESTION
Coatings Product Data Sheets (Paint Specs) provide users with the following:
Answer:
- surface prep
- storage
- mixing and thinning
- application procedure
- DFT requirements
QUESTION
SDS contains the following:
Answer:
- composition, handling or working with the material
- melting point, boiling point, flash point, toxicity, health effects, first aid, reactivity, storage,
disposal, etc
- actions to take in event of spill, explosion, fire or hazardous exposure
QUESTION
Failure of coatings to cure may be caused by:
Answer:
- not adding curing agent, wrong curing agent or incorrect amount of it
- problem with material from the manufacturer
- environmental issues
- wrong or contaminated thinner (solvent)
QUESTION
Some of the problems that can be caused by amine blush are:
Answer:
- surface tackiness or greasiness
,- incomplete curing
- poor adhesion
- coating discoloration
- poor gloss retention
QUESTION
Runs, sags and wrinkles are caused by:
Answer:
- Coating applied too thickly
- Too much thinner
- Surface too hot
- Improper spray technique
- application of coating towards end of pot life
- wrong thixotrope used by manufacturer
QUESTION
_________ is a powdery, friable layer on the surface of a coating that is most common with
*epoxy* coatings
Answer:
chalking
QUESTION
*Cratering* may be caused by:
Answer:
- Air trapped in coating and forming bubbles that burst
- Air trapped in the coating during mixing if improperly mixed
QUESTION
*Vacules* or *voids* are typically caused by:
Answer:
running the mixer too fast
,QUESTION
Pinholes are:
Answer:
Very small holes in a coating typically caused by air or solvent trapped in porous film and
escaping.
QUESTION
A common cause of *blistering* is:
Answer:
Surface Contamination under the applied coating
QUESTION
*Cracking* of a coating is noted:
Answer:
When the crack extends to the substrate
QUESTION
*Checking* can be described as:
Answer:
fine cracks in the surface of a coating that don't extend through to the substrate
QUESTION
Adhesion failures may be caused by:
Answer:
- Contaminated surface
- Wrong surface prep.
- Insufficient profile
- Exceeding topcoat window
- incompatible coatings
, QUESTION
General types of holiday detectors include:
Answer:
- Low-voltage DC
- High-voltage DC
- High-voltage AC
QUESTION
Low-voltage (wet sponge) holiday detectors are powered by batteries with output voltages
ranging from ______.
Answer:
5 to 120 V DC
QUESTION
Describe low voltage holiday detectors:
Answer:
- ground cable is attached to substrate
- sponge saturated with a solution of tap water/wetting agent
- maximum rate of 30 cm/s *(1 ft/s)* double stroke
- used on coatings up to 500 um *(20 mils)*
- *may be used on concrete*
QUESTION
High-voltage holiday detector types include:
Answer:
- DC-pulsed
- DC-constant
QUESTION
Describe High Voltage DC Holiday Detectors:
Answer:
| Questions with Verified Answers
QUESTION
Coatings Product Data Sheets (Paint Specs) provide users with the following:
Answer:
- surface prep
- storage
- mixing and thinning
- application procedure
- DFT requirements
QUESTION
SDS contains the following:
Answer:
- composition, handling or working with the material
- melting point, boiling point, flash point, toxicity, health effects, first aid, reactivity, storage,
disposal, etc
- actions to take in event of spill, explosion, fire or hazardous exposure
QUESTION
Failure of coatings to cure may be caused by:
Answer:
- not adding curing agent, wrong curing agent or incorrect amount of it
- problem with material from the manufacturer
- environmental issues
- wrong or contaminated thinner (solvent)
QUESTION
Some of the problems that can be caused by amine blush are:
Answer:
- surface tackiness or greasiness
,- incomplete curing
- poor adhesion
- coating discoloration
- poor gloss retention
QUESTION
Runs, sags and wrinkles are caused by:
Answer:
- Coating applied too thickly
- Too much thinner
- Surface too hot
- Improper spray technique
- application of coating towards end of pot life
- wrong thixotrope used by manufacturer
QUESTION
_________ is a powdery, friable layer on the surface of a coating that is most common with
*epoxy* coatings
Answer:
chalking
QUESTION
*Cratering* may be caused by:
Answer:
- Air trapped in coating and forming bubbles that burst
- Air trapped in the coating during mixing if improperly mixed
QUESTION
*Vacules* or *voids* are typically caused by:
Answer:
running the mixer too fast
,QUESTION
Pinholes are:
Answer:
Very small holes in a coating typically caused by air or solvent trapped in porous film and
escaping.
QUESTION
A common cause of *blistering* is:
Answer:
Surface Contamination under the applied coating
QUESTION
*Cracking* of a coating is noted:
Answer:
When the crack extends to the substrate
QUESTION
*Checking* can be described as:
Answer:
fine cracks in the surface of a coating that don't extend through to the substrate
QUESTION
Adhesion failures may be caused by:
Answer:
- Contaminated surface
- Wrong surface prep.
- Insufficient profile
- Exceeding topcoat window
- incompatible coatings
, QUESTION
General types of holiday detectors include:
Answer:
- Low-voltage DC
- High-voltage DC
- High-voltage AC
QUESTION
Low-voltage (wet sponge) holiday detectors are powered by batteries with output voltages
ranging from ______.
Answer:
5 to 120 V DC
QUESTION
Describe low voltage holiday detectors:
Answer:
- ground cable is attached to substrate
- sponge saturated with a solution of tap water/wetting agent
- maximum rate of 30 cm/s *(1 ft/s)* double stroke
- used on coatings up to 500 um *(20 mils)*
- *may be used on concrete*
QUESTION
High-voltage holiday detector types include:
Answer:
- DC-pulsed
- DC-constant
QUESTION
Describe High Voltage DC Holiday Detectors:
Answer:
