CIP QUESTIONS Flashcards
Which component of a coating can can contain harmful volatile organic compounds?
A.) Pigments
B.) soluble Salts
c.) Additives
D.) Solvents
D.) Solvents
Based on the Galvanic series presented, which three materials are commonly used as Galvanic anodes for carbon steel?
A.) Zinc, aluminum, magnesium
b.) platinum, gold, silver
C). Aluminum, Gold, stainless steel
d.) Cast iron, copper magnesium
A.) Zinc, aluminum, magnesium
A decrease in Temperatures will generally cause the corrosion rate to?
Decrease
The electrolyte is a medium that carries the following type of current
a. electronic
b. ionic
c. electronic and ionic
d. neither electronic or ionic.
b. ionic
Which type of coding is manufactured with specific components that become the anode of the electrochemical cell?
a. Sacrificial
b. alkyds
c. barrier
d. additives
a. Sacrificial
Which coding component forms a stable film that retains its characteristics and properties?
a. Solvent
b. Pigment
c. Binder
d. Additives
c. Binder
A barrier coating interrupts the ________of the electrochemical cell
a. anode
b. cathode
c. metallic pathway
d. electrolyte
d. electrolyte
Select the environments that are most susceptible to corrosion. (select all that apply)
a. Marine environment
B. Chemical with high humidity environment
C. Rural environment
D. Chemical with low humidity environment
a. Marine environment
B. Chemical with high humidity environment
How do electrons that are produced in the oxidation reaction flow?
A. From the cathode to the anode through the metallic path
B. From the anode to the cathode through the metallic path
C. From the cathode to the anode through the electrolyte
D. From the cathode to the anode through the electrolyte
B. From the anode to the cathode through the metallic path
Bond’s pigments together and adheres to surfaces
Binder
Liquid that dissolves solid resins
Solvent
Hides the substrate provides decorative color and enhances desired properties
pigment
Special purpose ingredients used to enhance the performance
additive
Liquid portion of the coating
vehicle
What is the deterioration of a substance usually a metal from a reaction with its environment?
Corrosion
What is a layer of oxides that form on the surface of metal which provides corrosion protection?
ex. stainless steel
Passivation
What happens at the anode?
Metal dissolves into the electrolyte.
What allows the passage of ions to connect the corrosion cell?
Electrolyte
What allows the flow of electrons to connect the corrosion cell
Metallic Pathway
What is the primary role of the coding inspector?
A. safety enforcement
B. Specification Compliance
C. Failure investigation
D. Quality control
B. Specification Compliance
What should you do if you find discrepancies between the specification and the coding manufacturers product data sheet (PDS)?
A. advise the owners representative that the specification writer made a mistake
B. The contractor to follow the product data sheet
C. Clarification from the coating manufacturer
D. Seek clarification from the owners representative during the pre job conference
D. Seek clarification from the owners representative during the pre job conference
which of the following are coding inspectors’ responsibilities (select all but apply)
A. to advise the coating applicators on how to improve their work
B. Ensure that you have the required inspection equipment for the project
C. To obtain, read, and understand the projects specification
D. To document and report results
E. To clarify any ambiguities regarding their role
B. Ensure that you have the required inspection equipment for the project
C. To obtain, read, and understand the projects specification
D. To document and report results
E. To clarify any ambiguities regarding their role
According to the CIP attestation, when is it ok for QA inspector to accept a gift from a contractor.
A. When the value is under $25
B. If your company policy allows gifts
C. Job is complete
D. It’s never acceptable
D. It’s never acceptable
The inspection reports typically provides sufficient detail permitting the owner to evaluate which of the following? (select all that apply)
A. contractor’s performance
B. inspector’s performance
C. job progress
D. work interruptions
A. contractor’s performance
B. inspector’s performance
C. job progress
D. work interruptions
What is a quality technician responsible for observing and reporting conformance or deviation from the project specification?
The inspectors role
True or false
Safety enforcement is not the responsibility of the inspector; however it is his or her responsibility to report any issues that may affect the project
True
True or false
The most important characteristics of a good report are objective accurate and detailed
True
True or false
It is the inspector’s primary responsibility to verify the specification
True
What does a well written coating specification do?
A, it guides the contractor with a walk through of how a project should be completed
B, it provides a clear understanding of what is expected throughout the coating project
C, it focuses exclusively on what is expected of the coding inspector
D, it leaves the details open to interpretation so the contractor can save money
B, it provides a clear understanding of what is expected throughout the coating project
Which action is important for an inspector to take during a pre job conference?
A. ask for clarification regarding any inspection tasks that are unclear in the specification
B, Schedule a second conference at a later date to ensure that the team can meet again
C, focus the discussion exclusively on what is expected of the coding inspector
D. Persuade the owner to change the specification to include less detail to increase flexibility
A. ask for clarification regarding any inspection tasks that are unclear in the specification
Where would an inspector locate the correct procedure for mixing the specified coating material?
A. Specification
B. Standard
C. Product data sheet
D. Safety data sheet
C. Product data sheet
What is a document produced by the manufacturers that provide valuable information about the product?
Product data sheet
What provides information about the hazards a chemical presents an advice on safety precautions that should be taken?
Safety data sheet
What is a formal legal enforceable document that tells the contractor what to do and where to do it, but generally doesn’t tell him or her how to do it?
Specification
What is a formal document produced by key industry bodies that provide guidance for carrying out technical procedures?
Standard
What is a quality control tool developed from the guiding documents that help inspectors to ensure that all specified requirements are being addressed?
Inspection test plan
When are the NACE/SSPC international surface preparation standards considered binding?
A. Any time surface preparation is performed
B. As a replacement for any ISO standard
C. When specified in the contract documents
D. When there is a conflict between the PDS and the specification
C. When specified in the contract documents
You know that you are sensitive to amines but not polyamides. What document would you review prior to arriving at the job site?
A. Inspection plan
B. Coating application guide
C. The contractors contract
D. Safety data sheet
D. Safety data sheet
You are reviewing the documentation for a tank coating project, and you notice there is a conflict between the specification and the PDS on the required DFT of the primer. The owner is not reachable for clarification. What should you do?
A. Follow the PDS
B. Follow the specification
C. Shut down the job
D. The contractor will decide how to proceed
B. Follow the specification
What is a formal document that establishes uniform engineering or technical criteria, methods, processes and practices? It may also be referred to as an established norm or requirement that is written by industry professionals.
Standard
When communicating with other team members on the job site, the inspector should be mindful of their_________? (Select all that apply)
A. Body language
B. Their physical appearance
C. Choice of words
D. Tone of voice
A. Body language
C. Choice of words
D. Tone of voice
when a conflict occurs on a coatings project the inspector’s first course of action is to_______?
A. Call the supervisor and obtain support for your position
B. Call the owner to obtain support for your decision
C. State your position as the inspector, and win the argument
D. Actively listen and try to understand the positions of the other party
D. Actively listen and try to understand the positions of the other party
A typical daily report should include which of the following? (select all that apply)
A. Description of manpower and equipment used by the contractor
B. Explanation of work stoppages
C. Evaluation of the contractor’s work
D. Environmental conditions
E. Safety concerns
A. Description of manpower and equipment used by the contractor
B. Explanation of work stoppages
D. Environmental conditions
E. Safety concerns
What are the inspectors goals during the pre job conference? (Select all that apply)
A. to understand the process for addressing deviations and conflicts
B. To chair the meeting to ensure that their agenda items are addressed
C. Obtain a clear understanding of their authority, responsibilities, and deliverables
D. Make a good first impression and build positive working relationships
A. to understand the process for addressing deviations and conflicts
C. Obtain a clear understanding of their authority, responsibilities, and deliverables
D. Make a good first impression and build positive working relationships
Before the start of a pre job conference, the inspector should obtain a copy of, read, and understand which documents? (select all that apply)
A. Specification
B. Standards
C. Product data sheets
D. Safety data sheets
A. Specification
B. Standards
C. Product data sheets
D. Safety data sheets
Which of the following team members would not typically attend the pre job conference?
A. Inspector
B. The application and blasting teams
C. Contractor
D. Asset owner
E. Specification writer
B. The application and blasting teams
When completed thoroughly, inspection documentation can _______? (select all that apply)
A. Contribute to the quality control of the project
B. Help to protect the inspector from negligent accusations
C. Cause confusion
D. Help to establish a maintenance program
E. Help to guide future projects
A. Contribute to the quality control of the project
B. Help to protect the inspector from negligent accusations
D. Help to establish a maintenance program
E. Help to guide future projects
Which of the following documents is not routinely submitted to the client?
A. Daily report
B. Non-conformance report
C. Logbook
D. Instrument calibration report
C. Logbook
Materials inventory report should contain which of the following? (select all that apply)
A. overall cost of materials
B. Quantity of each component of each material on site
C. Material batch numbers
D. Date of materials arrival on job site and storage information
B. Quantity of each component of each material on site
C. Material batch numbers
D. Date of materials arrival on job site and storage information
What would show environmental conditions, pretreatment details, cleaning details, materials details, coding applications details, and results of work and all tests?
Inspection records
What should you do if you find discrepancies between the specification and the coating manufacturers product data sheet?
A. Devise the owner’s representative that the specification writer made a mistake
B. Advise the contractor to follow the product data sheet
C. Seek written clarification from the coating manufacturer
D. Seek written clarification from the owner’s representative
D. Seek written clarification from the owner’s representative
A pre-job conference should be held_______?
A. Immediately following the pre bid meeting
B. After the project begins
C. After relocating to the job site
D. After bids have been submitted in contract signed
E. Before the safety meeting
D. After bids have been submitted in contract signed
What is one of the inspectors roles at the pre-job conference?
A. Explain the specification
B. Record official notes as secretary
C. Clarify reporting requirements
D. Conducted the meeting
C. Clarify reporting requirements
Which document details the problems encountered, inspection tasks perform, and results achieved each day?
Daily report
what document tracks the frequency of instrument calibration and provides a report of the results?
Instrument calibration reports
What document tracks the inventory of materials on site?
Materials inventory report
What are informal tools that are used to document inspection activities.
Logbook
What document outlines deviations from the requirements of the specification?
Non conformance reports
high humidity in the air during coating application can cause which of the following
A. Solvent entrapment
B. Rapid solvent evaporation
C. Solvent combustion
D. Shorter induction times
A. Solvent entrapment
Took the following conditions are not suitable for coating application?
A. Surface temperature of 60 degrees Fahrenheit and dew point of 52 degrees Fahrenheit
B. Surface temperature of 64 degrees Fahrenheit and a dew point of 60 degrees Fahrenheit
C. Surface temperature of 60 degrees Fahrenheit in a dew point of 48 degrees Fahrenheit
D. Surface temperature of 68 degrees Fahrenheit and a dew point of 60 degrees Fahrenheit
B. Surface temperature of 64 degrees Fahrenheit and a dew point of 60 degrees Fahrenheit
In general the relative humidity should be below what level for coating operations to continue?
A. 75%
B. 85%
C. 95%
D. 100%
B. 85%
Where should environmental conditions be measured?
A. Every four meters
B. At the highest point on the structure
C. Only in the coolest areas on the structure
D. Where the work will be performed
D. Where the work will be performed
You are an inspector on a job site. Air temperature is 84 degrees Fahrenheit, your relative humidity is below 85%, in your steel temperature is 79 degrees Fahrenheit which of the following is the highest acceptable dew point for coating work to continue?
A. 85 degrees Fahrenheit
B. 84 degrees Fahrenheit
C. 79 degrees Fahrenheit
D. 74 degrees Fahrenheit
D. 74 degrees Fahrenheit
The dew point should be at least five degrees below the surface temperature.
What is a measure of the natural motion of air?
Wind speed
What is a measure of the temperature of the air?
air temperature
What is a measure of the amount of water vapor in the air compared to the maximum amount it can hold?
Relative humidity
What is a measure of the temperature of the surface being coated?
surface temperature
What is the temperature at which atmospheric air becomes saturated with water?
Dew point
What would cause the following defects?
Failure to cure
Too rapid solvent evaporation
Poor film formation
Incorrect application temperatures
What is the amount of moisture in the air compared to saturation level?
Relative humidity
What is the temperature at which moisture will begin to form on a steel surface?
Dew point temperature
What might cause the following issues
Blowing abrasives
Causing excessive drift or overspray
Accelerating solvent evaporation
Contributing to the formation of dry spray
wind
Which option(s) best describe(s) the primary function(s) of surface preparation? (select all that apply)
A. To remove surface contaminants that can promote premature coding failure
B. To provide a clean surface to the specified level of cleanliness
C. To determine the type of coding to apply based on the surface condition
D. To provide an adequate surface profile of the surface for good coating adhesion.
A. To remove surface contaminants that can promote premature coding failure
B. To provide a clean surface to the specified level of cleanliness
D. To provide an adequate surface profile of the surface for good coating adhesion.
Which statements are true about performing an initial surface condition assessment? (select all that apply)
A. Aids in determining the coding application method used to apply coatings for the project
B. Identifies the type of substrate in its current condition prior to surface preparation
C. Is the first phase of the surface preparation process
D. Identifies any substrate features that may prevent the substrate from reaching the specified level of cleanliness
B. Identifies the type of substrate in its current condition prior to surface preparation
C. Is the first phase of the surface preparation process
D. Identifies any substrate features that may prevent the substrate from reaching the specified level of cleanliness
Which type of substrate requires special consideration when selecting abrasives for surface preparation?
A. Rusted steel
B. Carbon steel
C. Stainless steel
D. Painted steel
C. Stainless steel
Which statements apply to visual reference guides? (select all that apply)
A. Used to pick the coating process
B. Are used as a supplement to the written standards
C. Are included in standards
D. Used as an aide for determining whether a prepped surface meats or exceeds the project specification
B. Are used as a supplement to the written standards
D. Used as an aide for determining whether a prepped surface meats or exceeds the project specification
A surface lamination should be removed by ______ since no coating system can effectively protect the surface if left intact.
A. Welding
B. grinding
C. sanding
D. Abrasive blasting
B. grinding
How should rough welds be treated?
A. Used as an aide to determine the coating application method
B. Smoothed with sandpaper
C. Prepared only with solvents
D. Ground smooth (if approved)
D. Ground smooth (if approved)
You notice a large amount of weld spatter in an area while inspecting a steel surface prior to coating application. What is the best remedy
A. Scrub several times with an abrasive pad
B. Use a chipping hammer or grind down with an angle grinder
C. Still in the area with caulk and then smooth it down
D. Ignore it because it will not affect the coating performance
B. Use a chipping hammer or grind down with an angle grinder
Which component of the electrochemical cells is millscale represent?
A. anode
B. cathode
C. the electrolyte
D. Metallic pathway
B. cathode
OIL
RIG
If the surface profile is too low what effect can it have on the coating?
A. the coating will perform as intended
B. Achieving complete coverage of the surface may be difficult
C. The surface profile does not affect the adherence of the coating
D. The coating may not adhere properly
D. The coating may not adhere properly
Which visual reference guide is used to determine the initial condition of steel prior to abrasive blasting?
A. SSPC - VIS 3
B. SSPC - VIS5/NACE VIS 9
C. SSPC-VIS1
D. SSPC -VIS4/NACE VIS 7
C. SSPC-VIS1
which of the following are visible contaminants?
A. Dust
B. Grease
C. Dirt
D. Oil
E. Salts
A. Dust
B. Grease
C. Dirt
D. Oil
SSPC-SP 1 is a standard that focuses on which of the following? (select all that apply)
A. Removal of non visible contaminants
B. Removal of visible and non visible contaminants
C. Removal of visible contaminants
D. Solvent cleaning
E. Mill scale
C. Removal of visible contaminants
D. Solvent cleaning
Which of the following methods can remove soluble salts? (select all that apply)
A. Solvent cleaning
B. Pressure washing
C. Water jetting
D. Abrasive blasting
B. Pressure washing
C. Water jetting
At what stages of a coating project should pre cleaning the surface be required? (select all that apply)
A. Before the surface preparation
B. After surface preparation but before the start of coating application
C. In between the application of each coating material
D. Before the dust and dirt have been brushed or wiped from the surface
A. Before the surface preparation
B. After surface preparation but before the start of coating application
C. In between the application of each coating material
Which of the following cannot be removed by solvent cleaning? (select all that apply)
A. Mill scale
B. organic materials
C. inorganic materials
D. Fingerprints
A. Mill scale
C. inorganic materials
Why is it necessary to remove grease from a surface before abrasive blast cleaning?
A. Greece will cause flash rust during abrasive blasting
B. It is not necessary as Greece aids in the coating bonding to the substrate
C. It is not necessary because blast cleaning will remove grease
D. Abrasive blasting over grease can embed grease into the substrate leading to coating failure.
D. Abrasive blasting over grease can embed grease into the substrate leading to coating failure.
What functions can hand tools perform in the surface preparation process?
A. Removing loosely adherent material
B. Removing tightly adherent material
C. Removing staining
D. Creating a surface profile
A. Removing loosely adherent material
Which of the following tools can create a surface profile?
A. Chipping hammer
B. Bristle blaster
C. Chisel
D. Power wire wheel
B. Bristle blaster
Which power tool cleaning standard requires a 1 mil surface profile?
A. SSPC - SP3
B. SSPC - SP2
C. SSPC - SP15
D. SSPC - VIS 3
C. SSPC - SP15
which standard outlines the requirements for power tool cleaning to bare metal?
A. SSPC - SP3
B. SSPC - SP11
C. SSPC - SP2
D. ISO St 2
B. SSPC - SP11
How large is a unit area when inspecting or stained?
A. 9 inches squared
B. 3 inches squared
C. 6 inches squared
D. 12 inches squared
A. 9 inches squared
Which of the following tools can create a surface profile (select all that apply)
A. Chipping hammers
B. Needle scalers/Gun
C. Rotary scalers
D. Piston scalers
A. Chipping hammers
B. Needle scalers/Gun
D. Piston scalers
Which of the following surface preparation methods will NOT create a surface (anchor) profile
A. Hand tool cleaning
B. Dry abrasive blasting
C. Water jetting
D. What abrasive blasting
C. Water jetting
Millscale is typically removed for which of the following reasons? (select all that apply)
A. To avoid future delamination
B. To improve coating adhesion
C. To ensure all soluble salts are removed
D. To eliminate a source of galvanic corrosion
A. To avoid future delamination
B. To improve coating adhesion
D. To eliminate a source of galvanic corrosion
Which standard requires the highest level of cleanliness?
A. NACE No. 1/ SSPC -SP5
B. NACE No. 2/ SSPC -SP10
C. NACE No. 3/ SSPC -SP6
D. NACE No. 4/ SSPC -SP7
B. NACE No. 2/ SSPC -SP10
Which of the following defines a “commercially” blasted clean surface?
A. ISO St 2
B. NACE No. 2/ SSPC -SP10
C. ISO SA 2 1/2
D. NACE No. 3/ SSPC -SP6
D. NACE No. 3/ SSPC -SP6
You are the inspector on a project where the specified level of cleanliness is “near white.” Standard would you follow?
A. ISO Sa3
B. NACE No. 2/ SSPC -SP10
C. ISO Sa2
D. NACE No. 8/ SSPC -SP14
B. NACE No. 2/ SSPC -SP10
Which of the following ambient conditions may increase the potential for “rust back” of blasted surfaces? (select all that apply)
A. dew point of 5 degrees Fahrenheit below the surface temperature
B. High relative humidity greater than or equal to 85%
C. High air and surface temperatures
D. Allowing the steel to remain uncoated for greater than 24 hours
B. High relative humidity greater than or equal to 85%
D. Allowing the steel to remain uncoated for greater than 24 hours
Which SSPC-VIS 1 rust grade defines a surface covered in mill scale and rust but does not exhibit any pitting?
A. Grade A
B. Grade B
C. Grade C
D. Grade D
B. Grade B
What are the two visual standards for dry abrasive blasting?
SSPC -VIS 1
ISO 8501-1
What standard limits staining to 5% per each unit area?
NACE 2/SSPCE-SP 10
What standard limits staining to 0% per each unit area?
NACE 1/SSPC-SP 5
What standard limits staining to 33% per each unit area?
NACE 3/SSPC-SP6
The following terms represent what regarding abrasive blasting:
Street, Venturi, angle
Abrasive blast nozzle
What are the three test methods for surface profile?
Comparator
replica tape
digital surface profile gage
Which SSPC abrasive media standard should be referenced if the project calls for slag?
A. SSPC-AB 2
B. SSPC-AB 1
C. SSPC-AB 4
D. SSPC-AB 3
B. SSPC-AB 1
What property of an abrasive can help determine how quickly a surface profile is achieved? (select all that apply)
A. Size
B. Friability
C. Hardness
D. Recyclability
A. Size
B. Friability
C. Hardness
The selection of the abrasive media used on a project is typically dependent on which criteria? (Select all that apply)
A. type of surface to be prepared
B. Initial condition of the substrate
C. Degree of surface cleanliness
D. Depth of the surface profile
A. type of surface to be prepared
B. Initial condition of the substrate
C. Degree of surface cleanliness
D. Depth of the surface profile
What abrasive media is typically used for recycling
Steel shot and steel grit
Guidelines for proper storage of abrasive media may include which of the following? (select all that apply)
A. Avoid the elements
B. Store off the ground
C. Store in a dry cool area
D. Low humidity conditions
A. Avoid the elements
B. Store off the ground
C. Store in a dry cool area
D. Low humidity conditions
What layer of the coating system provides both barrier protection and additional thickness?
Intermediate
What layer of the coating system is the first line of defense and is chosen for both its resistance and esthetic properties?
Topcoat
What layer of the coating system is key to the adhesion and provides protection to the substrate through barrier inhibitive, or sacrificial mechanisms?
Primer
the name of the coating materials is typically based on which of the following components?
A. Additives
B. Pigment
C. Binder/resin
D. Solvent
C. Binder/resin
A mean blush is likely to occur with which coating type?
A. Inorganic Zinc
B. Phenolics
C. Alkyds
D. Epoxy
D. Epoxy
What factors are considered when a specifier is selecting a coating system? (select all that apply)
A. Degree of surface preparation possible
B. Type of substrate
C. Service environment
D. Assets intended life
E. Budget
A. Degree of surface preparation possible
B. Type of substrate
C. Service environment
D. Assets intended life
E. Budget
Which coating cures the fastest?
A. Polyurethane
B. Alkyd
C. Polyurea
D. Organic Zinc
C. Polyurea
Isocyanates are a safety concern with which coating type?
A. Polyurethane
B. Alkyd
C. Phenolic Epoxy
D. Organic zinc
A. Polyurethane
Oil based coatings applied over alkaline surfaces may result in what?
saponification
Which of the following coatings are co-reacting? (select all that apply)
A. Alkyd
B. Polyurethane
C. Epoxy
D. Chlorinated rubber
B. Polyurethane
C. Epoxy
Which of the following coatings may require external moisture to cure (select all that apply)
A. Single component polyurethane
B. Solvent born inorganic zinc
C. Single component epoxy ester
D. latex Emulsion
A. Single component polyurethane
B. Solvent born inorganic zinc
You are the inspector on a project with a sprayed polyurethane coating. The most probable safety concern is_______?
A. Amine
B. Isocyanates
C. Silica
D. Lead
B. Isocyanates
Which statement below describes multi-component coatings (select all that Apply)
A. Mixing partial kits is not recommended
B. Generally do not have potlife restrictions
C. Individual components are mixed separately before being mixed together
D. May require induction time prior to application
A. Mixing partial kits is not recommended
C. Individual components are mixed separately before being mixed together
D. May require induction time prior to application
Which statement best describes induction time?
A. The length of time from the date of manufacture, a coating remains usable when stored in its original container
B. A coating materials resistance to flow
C. The length of time that must elapse after mixing but before application that is necessary for the chemical reaction to take place
D. The length of time after, mixing, that a multi component coding remains Usable and can be correctly applied
C. The length of time that must elapse after mixing but before application that is necessary for the chemical reaction to take place
High viscosity due to low temperatures should be corrected by______? (Select all that Apply)
A. Adding extra thinner
B. Heating the coating
C. Increasing mixing time
D. Adding more converted/catalyst
A. Adding extra thinner
B. Heating the coating
What are five items inspectors should document about the coating material?
Manufacture name, product name, product number, product color, shelf life.
What is the length of time from the date of manufacture a coating remains usable when stored in its original container?
Shelf life
What is a coating materials resistance to flow?
Viscosity
What is the length of time that must elapse after mixing a coating in order for the necessary chemical reactions to take place?
Induction time
What is the length of time after mixing that a multi component coating remains usable and can be correctly applied?
Pot life
What occurred if the coating has runs or sags on a vertical surface or solvent entrapment occurs?
Excessive thinning
What is used when regulations require low VOC emissions but has the lowest production rate?
Hint coating application
High velocity low pressure spray
What features high production rates and transfer efficiency, along with increased operator control with less overspray?
Hint coating application
Air assisted spray
What allows for greater control of the flow rate and spray pattern and is air atomized, producing a high quality finish
Hint coating application
Conventional spray
Atomization occurs by applying high pressure and has the highest production rate but produces a less fine finish. The answer is a coating application
Airless spray
What can apply highly viscous coating materials and also coating with very short pot lives?
Hint coating application
Plural component spray
What is best suited for coating uneven surfaces, critical areas, and stripe coding complex configurations?
Hint coating application
Brush
Which coating application method has the greatest production/application rate?
A. Conventional spray application
B. Brush application
C. Airless spray application
D. High volume low pressure
C. Airless spray application
What are some advantages of conventional spray application? (select all that apply)
A. Find atomization
B. Good operator control
C. High transfer efficiency
D. Uniform, high quality finish
A. Find atomization
B. Good operator control
D. Uniform, high quality finish
Improper atomization of the coating may cause which of the following? (select all that apply)
A. Uneven dry film thickness
B. Dry spray
C. Overspray, runs, and sags
D. Failure to cure
A. Uneven dry film thickness
B. Dry spray
C. Overspray, runs, and sags
Solvent born inorganic zinc primer is being applied with airless spray on a complex bridge with access restrictions for application. The contractors having difficulty with high film thickness resulting in mud cracking. What application method might be a good alternative?
A. Roller
B. Conventional spray
C. Plural component spray
D. High volume low pressure spray
B. Conventional spray
The inspector’s responsibilities during the coating application process may include? (select all that apply)
A. verifying that the substrate is clean dry and free of contaminants
B. Verifying that a stripe coat has been applied
C. Informing the applicator’s supervisor when the gun is not atomizing correctly
D. Monitoring the ambient conditions
E. Pointing out discontinuities in the film finish the contractor or supervising party
A. verifying that the substrate is clean dry and free of contaminants
B. Verifying that a stripe coat has been applied
C. Informing the applicator’s supervisor when the gun is not atomizing correctly
D. Monitoring the ambient conditions
E. Pointing out discontinuities in the film finish the contractor or supervising party
You arrived to inspect a bridge repainting project where the Containment (enclosure has already been erected) but dehumidification is not being used. What inspection challenges might you expect, when working inside the containment? (select all that apply)
A. Illumination
B. Mixing
C. Salts
D. Control of temperature and humidity
A. Illumination
D. Control of temperature and humidity
You are an inspector on a painting project prior to airless spray application. The following airless spray safety items would you expect to see? (select all that apply)
A. tip guard
B. Connections wired/clipped
C. Gun safety
D. Cheater valve
A. tip guard
B. Connections wired/clipped
C. Gun safety
When applying coatings, generally high relative humidity________?
A. Stops solvent evaporation
B. Slows solvent evaporation
C. Has no effect on solvent evaporation
D. Speeds up solvent evaporation
B. Slows solvent evaporation
What are some of the characteristics of an incorrectly applied coating? (select all that alley)
A. Insufficient film thickness
B. Coating defects
C. Fully cured
D. Discontinuities
E. Uneven coverage and sheen
A. Insufficient film thickness
B. Coating defects
D. Discontinuities
E. Uneven coverage and sheen
A recoat window can be defined as?
A. The time. For the components to react, after mixing but before application
B. The time period which the mixed coating can be successfully applied
C. The time period between application of consecutive coats
D. The time period during between application and when the coating has hardened enough that it can be lightly touched
C. The time period between application of consecutive coats
What kind of coding cures through evaporation of the solvent?
A. Convertible
B. Non convertible
B. Non convertible
What kind of coating goes through a chemical change as they physically change from a liquid to a solid state?
A. Convertible
B. Non convertible
A. Convertible
This coating cures through evaporation of water combined with diffusing together of the resin / binder particles
Coalescence
this curing mechanism cures by cross linking (polymerization) at least two chemical entities
Co reaction
This curing mechanism requires some amount of moisture vapor in the surrounding air for the coating to cure
Hydrolysis
This curing mechanism cures by reaction with atmospheric oxygen once the solvent evaporates
Oxidation
This curing mechanism requires a particular temperature to complete the cure
Fusion
no chemical change occurs during evaporation of the solvent for this curing mechanism
Solvent evaporation
Which types of curing mechanisms do not cause a chemical change during curing? (select all that apply)
A. Solvent evaporation
B. Oxidation
C. Hydrolysis
D. Coalescence
A. Solvent evaporation
D. Coalescence
What type of coatings are co reacting? (select all that apply)
A. Alkyd
B. Polyurethane
C. Epoxy
D. Chlorinated rubber
B. Polyurethane
C. Epoxy
Which of the following coatings may require external moisture to cure (select all that apply)
A. Single component polyurethane
B. Solvent born inorganic zinc
C. Single component epoxy ester
D. Latex emulsion
A. Single component polyurethane
B. Solvent born inorganic zinc
Which of the following cure by polymerization?
A. Non convertible
B. Convertible
C. Vinyl
D. thermoplastic
B. Convertible
By which process do latex coatings cure?
A. Hydrolysis
B. Oxidation
C. Co reaction
D. coalescence
D. coalescence
Waterborne latex coatings cured by a process known as?
A. Hydrolysis
B. Oxidation
C. Co reaction
D. Coalescence
D. Coalescence
When applied to concrete, alkyd coatings will fail prematurely due to?
A. Saponification
B. Coalescence
C. embrittlement
D. Passivation
A. Saponification
The formation of small bowl shaped depressions in the coating film caused by trapped air are called?
A. Cratering
B. Amine blushing
C. mud cracking
D. Rankling
A. Cratering
What are some issues that could cause non-drying film to occur? (select all that apply)
A. Extreme humidity
B. Wrong curing agent added
C. Applying the coating too thick
D. Applying the coating at the end of its potlife
A. Extreme humidity
B. Wrong curing agent added
C. Applying the coating too thick
D. Applying the coating at the end of its potlife
Which of the following is one of the most common causes of blisters in a coating film?
A. Surface contamination
B. Wrong size spray tip
C. when it’s applied to cold
D. Atomization pressure too low
A. Surface contamination
After a cold night, you find the epoxy amine mid-coat applied the day before has blushed. What is the optimum resolution when amine blush is found?
A. Wipe down using organic solvents
B. Wash with soap and water
C. Remove the coat entirely
D. Consult the coating manufacturer
E. Consult the contractor for guidance
D. Consult the coating manufacturer
Fish eyes often resemble crater like brakes in the coating film that reveal tiny areas of the substrate because of?
A. Contaminations such as grease oil or silicone
B. Failure to add the curing agent
C. Application of coating and cool damp conditions
D. Not allowing the proper induction time
A. Contaminations such as grease oil or silicone
Undetected holidays in the coating film can lead to? (Select all that apply)
A. removal of the coating system to fix the problem
B. Premature coating failure
C. Water and contaminate ingress into the coating
D. Corrosion of the substrate
A. removal of the coating system to fix the problem
B. Premature coating failure
C. Water and contaminate ingress into the coating
D. Corrosion of the substrate
What are air gas bubbles that escape or burst when the air or solvent escapes? (HINT its a Holiday)
Pinholes
What is a common cause of blistering?
Substrate contamination
Amine blush is likely to occur with which type of coating?
epoxy
What are fine cracks in the surface of a coating that don’t extend through to the substrate?
Checking
