Advanced Coating Combined, Wilee Exam Study Guide

▪ Dew point is the temperature at which condensation occurs. ▪ 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: Document the problem and advise the Contractor and Owner's representative. ▪ 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 blotter test for the presence of oil and water. ▪ Upon arrival of coating materials, the inspector should observe and document the amount of material and batch numbers. ▪ Relative humidity is a measure of the amount of moisture in the air compared to saturation level. ▪ Galvanic corrosion occurs on which of the following substrates? Metal ▪ When applying Thermal Spray Coatings the specification is most likely to reference: 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? 2.5 cm (1 inch) ▪ Polymerization is the process of? Monomers joining together. ▪ An exposed area of the substrate or previous coat of a conductive material, often caused by poor application technique is called: Holiday ▪ Checking is: a fine crack in the surface of a coating that rarely reaches the substrate. ▪ Inspection documentation is important because: Owners use the documentation for a variety of purposes. ▪ An Inspectors personal log book should contain: No comments regarding 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: Review the NACE Attestation prior to making a decision. ▪ Good record can provide maintenance departments with detailed information about ALL of the following EXCEPT: How the item was coated. ▪ Non Conformance Reports are completed by the Inspector: When the Inspector and Contractor deem it to be significant non conforming item. ▪ The initial steel condition is important to the NACE Inspector because: The Inspector may have to reject the steel. ▪ The form of corrosion that has the largest potential for unexpected catastrophic failure is: Galvanic Corrosion ▪ What is used to determine compressed air cleanliness? Profilometer ▪ Osmotic blistering is most likely to occur as a result of: Airless spray application. ▪ When performing tests for oil and grease using an ultra violet light, the NACE Inspector should be aware that: Synthetic oil or grease may not be identified. ▪ To achieve consistently accurate results with ALL alt test equipment: wash your hands before sampling. ▪ When holiday testing is required the Inspector is always required to enforce what standard? NACE SP 0188 ▪ If the specifier does not identify a restriction level in accordance with SSPC PA 2, the default restriction level is: Level 3 ▪ Fine cracks in the surface of a coating that rarely reach the substrate are called: Checking ▪ It is good practice for the NACE Inspector to have instrument calibration certificates available: At all times. ▪ In a non convertible coating the role of the primary solvent is to: To control the evaporation rate. ▪ Removal of weld splatter is required: When specifically identified in the owners specification. ▪ Common errors that may produce inaccurate readings when using a Dial Type Magnetic Pull Off Dry Film Thickness(DFT) gauge include: Failing to determine the Base Metal Reading(BMR),Rotating the dial too fast when taking measurements, and Measuring ditty, tacky, or soft films. ▪ Conventional spray us good choice when: High quality finishes are required. ▪ Which of these tests uses a syringe? Bresle Patch ▪ Which one of these elements is not necessary for corrosion to occur: Reference Cell ▪ Digital hygrometers 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: Rust Grades A-D ▪ Inspectors daily reports are used: By the contractor to estimate the mount of work done that day, To provide continuity between inspectors, To aid in arbitration between the contractor and client, and To help in cases of a coating failure. ▪ Silicone coatings are typically: Applied in very thin films. ▪ Excess moisture during holiday testing can cause erroneous 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? Telegraphing ▪ ASTM Standards are applicable: When specified. ▪ The main responsibilities of the Inspector are to: Observe and report the quality of the work performed. ▪ When using a sling psychrometer a very large difference between the wet and dry bulb readings indicates: Low Relative Humidity ▪ The NACE Inspector should perform tests for soluble salts: When specified. ▪ Corrosion generally occurs at which of the following sites: Anode ▪ If Inspectors identify issues of non conformance during an inspection, they should: Inform both the Contractor and the inspectors supervisor so they can take appropriate corrective actions. ▪ You are the NACE Inspector on a job where ISO ST 3 has been specified. The Contractor normally works to SSPC standards and been referencing SSPC SP 3. Could this have any impact on the final surface preparation appearance? No, because there is no real difference in the standards. ▪ Safety Data Sheets must be carefully reviewed by: All personal involved in the job. ▪ You are the NACE Inspector on a job where the Owner's specification requires you to perform a twice daily check of the blast pressure at the nozzle. It is now day 30 on the job and all your readings have been within compliance. The contractor complains that these checks are taking up to much time and in view of the compliant results they are unnecessary. Your FIRST preferred course of action is to: Keep doing the checks and consult the Owner's representative for direction. ▪ If the project specification DOES NOT state the specific DFT measurement standards, the inspector should use: A recognized industry standard like SSPC-PA 2 that is broadly accepted. ▪ ISO SA 2 is defined as: Thorough Blast Cleaning ▪ When using the ISO comparator in accordance with ISO 8503, if the surface profile does not directly compare to the one of the four segments the inspector should: Record your result by identifying two segments. ▪ Owners hire NACE Inspectors with the expectation that: The inspection cost will be offset by an improvement in service life and The inspector will make a meaningful technical contribution to the job. ▪ An inspector should change position when: The inspector is convinced by verifiable facts. ▪ Check abrasive blast pressure with a: Needle Pressure Gauge