You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is being applied. After application of the 19 coat you notice small blisters in some areas of the applied lining.
Your FIRST preferred course of action is to:
- A . Break the blisters to see what’s inside
- B . Document the problem and advise the Contractor and Owner’s representative
- C . Document the problem and advise the Contractor
- D . Extract any liquid that may be inside the blister and send it to the lab for further analysis
Dew point is the temperature at which
- A . water freezes.
- B . humidity decreases
- C . condensation occurs.
- D . the air is saturated.
If a contractor is using a poorly maintained compressor to supply air for abrasive blast cleaning and conventional airspray, the coating inspector should perform a
- A . dry film thickness (DEI) measurement.
- B . wet film thickness (WFT) measurement.
- C . blotter test for the presence of oil and water.
- D . vial lest.
Upon arrival of coating materials, the inspector should
- A . review coating contractors’ plans for storage of coating materials and confirm they meet national, local and owners’ fire and environmental regulations.
- B . observe and document the amount of material and batch numbers.
- C . observe aryl document that the applicator WFT at regular intervals during application.
- D . observe and document time frame and environmental conditions between each coat.
Relative humidity is
- A . a measure of the amount of moisture in the air compared to saturation level.
- B . a measure of the amount of moisture in the air compared to the air temperature.
- C . the lowest temperature at which moisture forms on a steel surface.
- D . the highest temperature at which moisture forms on a steel surface.
Galvanic corrosion occurs on which of the following substrates:
- A . Concrete
- B . Fiberglass Reinforced Plastic
- C . Metal
- D . Wood
When applying Thermal Spray Coatings the specification is most likely to refence:
- A . SSPC PA 2
- B . NACE SP 0178
- C . NACE SP 0188
- D . SSPC-CS 23.00/AWS C2.23/NACE No. 12
What is the minimum recommended distance away from an edge that an inspector should take a measurement with a dial-type magnetic pull-off Dry Film Thickness (DFT) gauge?
- A . 1 cm (.39 inch)
- B . 2.5 cm (1 inch)
- C . 6.35 cm (2.5 inch)
- D . 2.5 millimeters (.10 inch)
Polymerization is the process of:
- A . Monomers telegraphing
- B . Monomers joining together
- C . All thermoplastic coatings
- D . All organic coatings
An exposed area of the substrate or previous coat of a conductive coating material, often caused by poor application technique is called
- A . cracking.
- B . sagging.
- C . holiday.
- D . checking.
Checking is
- A . an exposed area of the substrate or previous coat material, caused by poor application technique.
- B . a fine crack in the surface of a coating that rarely reaches the substrate
- C . a very small hole in a coating caused when air or solvent is trapped in porous film and then escapes.
- D . surface breaks in the film that often result from grease or oil contamination and revel the substrate.
Inspection documentation is important because:
- A . It is the only deliverable item provided by the inspector
- B . Owners use the documentation for a variety of purposes
- C . a) only
- D . a) & b)
An inspectors personal log book should contain:
- A . Subjective comments re ding the application team
- B . Objective comments regarding the application work
- C . No comments regarding the application team
- D . The inspector’s personal opinions of the application team
You have just received your NACE CIP Level 1 certification when you are asked to supervise a team of uncertified field pipeline inspectors.
Your FIRST preferred course of action is to:
- A . Accept the assignment without hesitation
- B . Advise the prospective employer that you cannot accept the position
- C . Meet with the prospective employer to determine the scope of your role
- D . Review the NACE Attestation prior to making a decision
Good records can provide maintenance departments with detailed information about ALL of the following EXCEPT
- A . what items were coated.
- B . what materials were used.
- C . when the coating will be reapplied.
- D . how the item was coated.
Non Conformance Reports are completed by the Inspector:
- A . In every instance that an item does not meet the specification requirements
- B . When the Inspector deems it to be a significant non-conforming item
- C . When the Inspector and Contractor deem it to be a significant non-conforming item
- D . In accordance with the specification’s definition of a non-conformance
The initial steel condition is important to the NACE Inspector because:
- A . If the steel is pitted more coating will be required
- B . Less abrasive is need if the mill Scale s gone
- C . It affects the final appearance after blasting
- D . The Inspector may have to reject the Steel
The form of corrosion that has the largest potential for unexpected catastrophic failure is:
- A . General Corrosion
- B . Atmospheric Corrosion
- C . Galvanic Corrosion
- D . Localized Corrosion
What is used to determine compressed air cleanliness?
- A . Needle pressure gauge
- B . Psychrometer
- C . Blotter test
- D . Profilometer
Osmotic blistering is most likely to occur as a result of
- A . inadequate anchor pattern/surface profile.
- B . overcoating a surface contaminated with chemical salts.
- C . airless spray application
- D . applying tine coating too thin.
When performing tests for oil and grease using an ultra-violet light, the NACE Inspector should be aware that:
- A . Chloride salt may produce a false positive
- B . Synthetic oil or grease may not be identified
- C . Ultra-Violet light may contaminant the surface
- D . Presence of weld spatter may produce a false positive
To achieve consistently accurate results with ALL alt test equipment
- A . wear gloves when sampling.
- B . wash your hands before sampling.
- C . avoid placing the sample discs on a surface.
- D . calibrate the instrument in the field.
When holiday testing is required the Inspector is always required to enforce NACE SP 0188:
- A . True
- B . False
If the specifier does not identify a restriction level in accordance with SSPC PA 2, the default restriction level is:
- A . Level 1
- B . Level 2
- C . Level 3
- D . Level 4
Fine cracks in the surface of a coating that rarely reach the substrate are called
- A . cracking.
- B . alligatoring.
- C . checking.
- D . blistering.
It is good practice for the NACE Inspector to have instrument calibration certificates available:
- A . At all times
- B . In the office only
- C . In the field only
- D . Only if the specification requires it
In a non-convertible coating the role of the primary solvent is to:
- A . To make the coating flow out better
- B . To dissolve the resin
- C . To promote faster cure
- D . To control the evaporation rate
Removal of welds splatter is required:
- A . On every job
- B . When ISO abrasive blast standards are specified
- C . When NACE/SSPC abrasive blast standards are specified
- D . When specifically identified in the owner’s specification
Common errors that may produce inaccurate readings when using a Dial-Type Magnetic Pull-Off Dry Filth Thickness (DFT) gauge include:
Select All That Apply
- A . Failing to determine the base metal reading (BMR)
- B . Rotating the dial too fast when taking measurements
- C . Taking measurements too far from the edge of a surface
- D . Measuring ditty, tacky, or soft films
Conventional spray is a good choice when:
- A . High production rates are required
- B . High quality finishes are required
- C . High transfer efficiency is required
- D . High viscosity coatings are being applied
Which of these tests uses a syringe?
- A . Sleeve test
- B . Potassium ferricyanide
- C . Bresle patch
- D . Soluble salts meter
Which one of these elements is not necessary for corrosion to occur:
- A . Anode
- B . Cathode
- C . Reference Cell
- D . Electrolyte
Digital hygrometers
- A . consist of a bimetallic sensing element protected from wind gusts.
- B . are used to measure temperature from a distance.
- C . use a thermocouple in contact with the surface to measure temperature
- D . determine relative humidity, air temperature, and dew point temperature:
Using SSPC Vis 1 as a guide when performing a visual inspection of a steel surface prior to surface preparation a NACE Inspector would assign which designations to the surface condition:
- A . Rust Grades A-D
- B . Surface Conditions E-G
- C . Rust Grades 1-4
- D . Surface Condition H
Inspector’s daily reports are used:
Select All That Apply
- A . By the contractor to estimate the amount of work done that day
- B . To provide continuity between inspectors
- C . To aid in arbitration between the contractor and client
- D . To help in cases of a coating failure
Silicone coatings are typically:
- A . Used strictly in immersion service
- B . Applied in very thick films
- C . Used as a sacrificial primer
- D . Applied in very’ thin films
Excess moisture during holiday testing can cause erroneous indications by creating a path across the surface of the coating to pinholes previously detected, or directly to the signal return connection.
This is often referred to as:
- A . telegraphing.
- B . monitoring
- C . juxtaposing.
- D . transitioning.
ASTM Standards are applicable:
- A . In the USA
- B . In North America
- C . In Asia
- D . When specified
The main responsibilities of the inspector are to
- A . demonstrate to the contractor how to apply the coating.
- B . observe and direct the work of the contractors.
- C . direct and perform the work stated in the specification.
- D . observe and report the quality of the work performed.
When using a sling physchrometer a very large difference between the wet and dry bulb readings indicates:
- A . High Relative Humidity
- B . Low Relative Humidity
- C . High Surface Temperature
- D . Low Surface Temperature