D & B question and answer Flashcards
You are the NACE coating inspector on a tank lining project and are asked to perform a high voltage holiday test after the coating applicators have completed their final repairs. After meeting all the confined space entry permit you enter the tank and notice a very strong door of solvent. Your first course of action should to?
Exit the tank immediately and report the problem to the nearest safety supervisor.
You are working as an inspector in a galvanizing plant for the first time. What are some of the hazards you need to be aware of?
Risk of chemical exposure, risk of skin, risk of acid or caustic splashes.
You are working as the only in-house NACE Level 2 inspector in a shop setting when an independent 3rd party NACE 3 inspector, representing the owner, presents you with a copy of a non conformance report ( NCR) he has written for a NACE 2/SSPC SP 10 centrifugal blast which you had previously approved. Your FIRST preferred course of action is to?
Consult your supervisor.
An inspection and Test Plan is required when?
It is always required.
The Inspector’s goal at the Pre-Job conference is to?
Obtain a clear understanding of the specification.
Where are coating surveys legally required?
On commercial marine vessels and offshore platforms.
Individuals conducting Coating Surveys should?
Always be trained and experienced in coating industry.
The cost of qualified coating inspection is normally offset by?
Lower coating life cycle cost.
You are a NACE Level 2 coating inspector who has just arrived on a job in progress where there is no inspection and Test plan (ITP). The first morning you arrive the job is behind schedule and you are asked to take DIY Film Thickness readings. Your FIRST preferred course of action is to?
Use a generally accepted industry standard and to take readings.
When conducting inspections the inspector should follow which standards?
The specified standards.
You are the NACE Level 2 coating inspector where SSPC PA 2 has been specified with an additional requirement that no individual gauge reading shall be below a certain value. As this is not part of the standard you should?
Enforce the additional requirement.
The coating applicator has ignored a enface preparation hold point and applied coating over the surface without a sign off from you as the inspector. Your FIRST preferred course of action is to?
Require the applicator to remove the coating.
In the event of a conflict between the product data sheet and the specification. Which one prevails?
The specification prevails.
From a corrosion perspective, the main difference between Ferrous and Non-Ferrous Metals is?
Iron content.
Your are the NACE coating inspector on a tank lining project where desiccant dehumidification is being used. Since the first shift of a abrasive blasting your readings have indicated relative humidity below 40%; however on the second shift of coating application your readings are indicting 80%. Your First course of action is to?
Advise the coating applicator supervisor of your readings.
When environmental enclosures are being used an inspector needs to be concerned about?
Lighting, air changes and structural integrity.
It is always possible to see moisture on a steel substrate. True or false
False
When observing design defects the NACE inspector should?
Document the defect and the potential problems that could result.
When observing fabrication defects the NACE inspector should?
Consult the specification to determine how they should be treated.
WJ -1 is always performed using UHWJ at pressures above 210 MPa (30,000 PSI). True or False
True
Centrifugal blast cleaning requires?
Well maintained blast wheels
The standards defining surface cleanliness achieved by centrifugal blast cleaning are?
Are the same as air blast cleaning
You are NACE Level 2 Inspector working on a tank lining job where a mobile centrifugal blast unit is being used to blast the tank floor to a NACE No.1/SSPC SP 5. The contractor has completed his final blast and has called for a hold point inspection. This is the 1st time you have seen field based centrifugal blast cleaning. You observe what appears to be staining on the substrate however the contractor assures you this is normal when using centrifugal blast units and what you are seeing is what is defined in the standard as an acceptable variation in appearance. Your FIRST preferred course of action is to?
Review the standard with the contractor and re-inspect the floor.
You are a NACE Level 2 in-house inspector working in a shop. Your in-house requires you to preform a sleeve test to test for soluble salts; however the 3rd party NACE Level 3 inspector, the owner, has a san smart meter and has achieved a very different result and has rejected the pre-cleaning. Your first preferred course of action is to?
Review the specification with the other inspector to see what method was specified.
Surface preparation of concrete is performed using?
Methods that have been modified for concrete.
NACE No.1/SSPC 6 identifies the use of?
Various methods of cleaning
Differences in technique for abrasive blasting concrete versus steel require the operator to?
Lower the blast pressure, move the nozzle quicker, increase the standoff distance.
The concrete repair institute’s comparators can be used to assess?
Surface profile prior to coating
Surface preparation methods for Non-ferrous metals are?
Specific for each type of Non-ferrous metals.
A single component water borne acrylic coating cures by?
Coalescence
When performing a hardness test on a coating which has elastic properties the inspector is likely to observe?
Cold flow or creep.
External coating applied to buried pipeline are generally tested for?
Cathodic disbondment
You are the NACE inspector on a project where a stationary floating structure is being coated and you notice a self -smoothing anti-fouling coating has been specified. This is not a good choice because?
It contains biocide.
Eddy current DFT gauges are used to measure Dry Film Thickness in which situation?
Non-conductive coatings applied to a conductive metallic substrate.
When measuring the Dry Film Thickness of liquid coatings applied to galvanized ferrous substrate the most commonly used instrument is the?
Took gauge.
The most likely area of failure on a buried external pipeline coating is the?
Field joint coating.
The best choice of instrument for holiday testing of thick film concrete coatings is?
High voltage DC constant current.
Thermal spray coatings provide?
Sacrificial protection
The primary purpose of fireproofing coatings are to provide?
Temporary protection for the structure.
When using a destructive paint inspection gauge the NACE inspector must?
Determine the dry film thickness of the coating prior to use.
Because a NACE Level 2 inspector has been trained in specific destructive test, it is up to the inspector to decide if and when a destructive test is required? True or false
False
When a coating is expected to be exposed to temperatures above 93C (200F) the best choice would be?
Inorganic coatings
Coating application to concrete substrate is?
More challenging the coating steel
Application of thermal spray coatings require
Specialized skills supported by training and experiences.
You are the NACE Level 2 inspector on a project where overcoating of galvanized steel is being performed. He specification references SSPC SP 6 as the surface preparation method. At the pre-job meeting operations personnel make is clear that abrasive blasting will not permitted. The owner’s representative asks you what other methods might be used. Of the options shown below, what would be the preferred option in this situation? A. SP1 follow by acid etching B. SP1 followed by caustic etching C. SP1 followed by SP2 D. SP1 followed by SP 3
SP 1 followed by SP 2
Galvanizing performs best in which of the following exposures?
pH between 5-10
Ideally, documentation requirement should be defined?
In the specification.
Inspection and test plans are provided to ?
Outline the inspection steps, sequencing and pass/fail criteria
Inspection and test plans are developed by referencing?
The specification, TDS, relevant standards and codes.
When completing the final inspection report the inspector should write the report using?
Language that the most would understand.
Non-conformance report are designed to?
To identify items that do not meet the specification requirements
You are the NACE Level 2 Inspector with the final responsibility to prepare the final report for a very large structural steel shop project which has gone very well. It is due next week. The work has been ongoing for two years and several NACE Level 1 inspectors have worked under your supervision throughout the project. You find you are missing one week of daily reports for the night shift from very beginning of the project and despite your best efforts they are not found. Your First preferred course of action is to?
Plainly state In your report that they are missing
Inspector reports should always be copied to?
Whomever the owner identifies
As a NACE Level 2 inspector, NACE clearly indicates that you are qualified to independently produce final documentation for a shop project. True or false
True
As a NACE Level 2 inspector on a field job; prior to submission your documentation should always reviewed and approved by?
A NACE Level 3 inspector
You are the NACE Level 2 inspector reviewing the documentation from NACE Level 1 you notice significant documentation errors. Your first preferred course of action is to?
Have the Level 1 inspector correct the errors and set up remedial training to improve the quality of documentation.
When ASIN D 3363 is specified the inspector must?
Record the two end points identified in the standard
When performing an adhesion test in accordance with ASTM D 3359 where the dry film thickness is approximately 10mils, the inspector should use?
Method A - x-cut
When performing inspection in accordance with ASTM D 4138 the inspector will use?
A destruction paint inspection took gauge.
NACE International standards are developed by?
Standard committees.
When performing testing in accordance with ASTM D 2583 the inspector may observe?
Cold flow or creep
When NACE/SSPC WJ 1 is referenced; what type of equipment would the inspector expect to see on the job?
Water jetting equipment.
NACE/SSPC water jetting standards are directly equivalent to ISO abrasive blast standards. True or false
False
NACE standards include?
Standard practices and material requirements
You are the new NACE Level 2 inspector on a job which had been very problematic. The previous inspector was fired due to personality conflicts with the contractor’s supervisor. Upon arriving onsite the contractor’s supervisor advises you in no uncertain term that you will be the next to go, unless you cooperate with him. Your first preferred course of action is to?
Express the willingness to work with the site team and to follow the specification.
When working with someone who is very concerned about stability and maintaining adherence to the status-quo, the inspector should try to?
Give them as much advanced notice as possible about upcoming changes.
You have just received your NACE CIP Level 2 certification when you are asked to supervise a team of uncertified field pipeline inspectors. Your first preferred course of action is to?
Review the NACE attestation prior to making a decision.
NACE Level 2 Inspector’s have been authorized to perform?
Visual inspection, Non-destructive and destructive testing.
You can use magnifiers to examine all of the following EXCEPT
Surface cleanliness
Steel shot grit contaminated with oil or grease used in a centrifugal blast cleaning should be?
Disposed of properly
On pipelines, which coating is identifiable by its distinct colours, usually light blue, green, or grey?
Liquid epoxies
The main reason dehumidification is used during coating operations is to?
Control the environment
All of these are advantages of using repair patches EXCEPT.
A. Special tools or equipment are required
B. Excellent abrasion resistance.
C. Inert to common acids, alkalis, and solvents.
D. Barrier to moisture and corrosion.
Special tools or equipment are required
Which surface preparation method uses a dilute acid solution to remove laitance and I roughen the concrete surface?
Acid etching
Linings are used on the interior of pipelines to?
Protect the transported product
Which is used to calibrate a pH meter?
Standard buffer solution
Dehumidification is defined as the removal of moisture vapour from the air to?
Lower it dew point.
In powder coatings, when the particles of powder begin to flow but are not fully liquid, they are in what stage?
Flow stage
A reinforced coating is?
More resistant to movement, abrasion, and impact than a non-reinforced coating.
Measuring methyl ethyl ketone (MEK) resistance of ethyl silicate inorganic zinc-rich primers by solvent rub requires.
50 double rubs with a saturated cloth
Corrosion is the reverse process of?
Steel manufacturing
Coating surveys may include which step?
Develop a survey plan, summarize the collected data, schedule the remedial work and evaluate the coating performance.
Which standards are generally established by private-sector bodies and are available for use by any person or organization, private or government?
Voluntary standards
The HATE adhesion tester uses?
A hydraulic piston to apply pressure to the test dolly.
In which type of concrete are laitance commonly encountered?
Poured (wet cast)
Coating surveys may include which steps?
Develop a survey plan, summarize the collected data, schedule the remedial work and evaluate the coating performance.
Generally for safety considerations, waterjetting hose connections use?
A whip-lock device
The number of air turns in an enclosure can be affected by all of these EXCEPT.
A. Time of the year (winter/summer).
B. Type of dehumidification equipment (refrigerant or desiccant).
C. Manufacturer of the coating equipment.
D. Coating type
Coating type
Pre-cleaning of work pieces will NOT remove
Mill scale.
Which concrete smoothing technique involves scrubbing a mixture of cement mortar over the concrete surface using a cement sack, gunning sack, or sponge rubber float?
Sacking
Which type of pipeline collect the gas from the transmission system so utility companies can distribute the gas to end users?
Distribution
Where should you store bulk coating containing isocyanates
In a well ventilated area separate from the work place.
Which product, is used in conjunction with other coatings such as FBE when the lines run through wetlands or a body of water?
Concrete
Inspectors perform tests on linings that they may not perform on exterior coatings because ?
Linings protect the contents and the container.
The solvent sensitivity/ solvent wipe test (ASTM D4752) is used to determine the cure of?
Inorganic zincs
Which product, when closely inspected has a green or red layer of fusion bonded epoxy (FBE) that is visible directly on the steel?
3layer polyethylene (PE)
What is Cold-applied tape?
Is polyethylene film, heat laminated, with an adhesive layer of butyl glue.
Examples of non-ferrous metals include?
Aluminum and copper
Anti fouling coatings are regulated by international treaties. True or false
True
A failure caused by applying a coating too thinly is known as?
Pinholes.
The Inspector’s goal at the pre-job conference is to?
Obtain a clear understanding of the specification.
