Download NACE CIP LEVEL 1 EXAM 2024 and more Exams Nursing in PDF only on Docsity! 1 | P a g e NACE CIP LEVEL 1 EXAM 2024 WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED ANSWERS |FREQUENTLY TESTED QUESTIONS AND SOLUTIONS |ALREADY GRADED A+| NEWEST |GUARANTEED PASS |LATEST UPDATE The inspector's log book is a personal chronicle of what happened on a daily basis and is usually retained by the inspector Generally speaking, on a typical coating project overall safety is the responsibility of a certified safety professional When applying coatings, generally high relative humidity slows solvent evaporation Which is an advantage of airless spray compared to conventional air spray? Faster production rate When using a conventional air spray unit, the adjustment for air pressure is located at the pot All of the following are advantages of environmental enclosures EXCEPT they may create an illumination challenge for work and/or inspection If the coating is not properly atomized at the spray gun, the dry film thickness (DFT) may become uneven and coating defects like runs, or sags may occur Most coatings are formulated for application at temperatures ranging between 5 C to 43 C (41 F to 110 F) 2 | P a g e SSPC Technology Guide No.12 states "Surface preparation and coating applications must have a minimum of which of the following? 20 foot candles (215.2 lumens) Most solvent borne inorganic zinc coatings (IOZ) can be applied, provided there is sufficient moisture in the atmosphere at temperature as low as 0 C (32 F) When using a wet film thickness (WFT) comb, the measurement should be taken immediately after the coating is applied. When reporting the wet film thickness from a wet film thickness comb (WFT) you report the last tooth that has coating on it Conventional spray equipment is often used in industrial coatings application to spray solvent borne inorganic zinc (IOZ). Advantages of a magnetic pull-off pencil DFT gauge include does not require a battery to operate, therefore it's intrinsically safe. can be used on small parts (bolts, nuts) and can be used in small hard-to-reach areas All sections would be found on a Material Safety Data Sheet (MSDS or SDS) EXCEPT Theoretical Coverage The information provided on a coating product data sheet (PDS) should always supersede (override or replace) the information regarding coating products in a specification? false The coatings ingredients would be listed on the coating safety data sheet (SDS/MSDS). Safety data sheets (SDS/MSDS) use a consistent format so it is easy to identify important information globally? false If solvents are added to a coating, the use of an incorrect solvent may casue non-drying or non-curing of a coating film Chalking appears primarily with which type of coating? Epoxy The optimum (best) resolution when amine blush is found is to 5 | P a g e False The anode is the part of the metal that corrodes General corrosion is described as uniform loss of thickness over the exposed surface In order to reach consensus and to resolve conflict on the job, the NACE Inspector's preferred course of action is to actively listen and endeavor to understand the postions of others. A proper coating specification should contain information regarding surface preparation standards, safety, locations to be coated According to the NACE attestation, it's OK to accept a gift from a contractor as long as the gift is below the value identified in your company policy. false If an inspector finds discrepancies between the specification and the coating manufacturers technical data sheet, the preferred coarse of action is to seek written clarification from the specifier All of the following are generally included within inspection reports EXCEPT cost information Inspectors reports provide sufficient detail permitting the owner to evaluate contractor's performance, inspector's performance, job progress, work interruptions When applying coatings, instruction regarding appropriate types of Personal Protection Equipment (PPE) will always be found within the material safety data sheet (MSDS) or safety data sheet (SDS) Material inventory report should contain all of the following EXCEPT overall cost of materials Safety enforcement is one of the primary responsibilities of the coating inspector false If the relative humidity is too high, solvent entrapment within the coating film may occur. true The dew point is the 6 | P a g e temperature at which moisture condenses on a surface. Steel surface temperature reading should be taken at the actual work locations The coatings inspector must calibrate the magnetic surface thermometer at the job site. False If solvent is trapped in a coating film it may cause problems with the curing of the film. Electronic Surface Contact Thermometers do not require stabilization prior to use MOST coatings in the industrial and marine field are inorganic coatings? False The predominant pigment in sacrificial coating is zinc The vehicle of a coating consists of solvent, binder, and liquid additivess All of the following dissolve within the coating EXCEPT pigments Which coating type slows the penetration of oxygen, water, and soluble salts to form electrolyte at the coating/metal surface? barrier coatings Mud cracking of an inorganic zinc-rich (IOZ) primer can be caused by applying the coating too thick All of the following are commonly used as primers for steel structures EXCEPT vinyl esters Convertible coatings cure by a variety of polymerization mechanisms Water-borne emulsions (latex) cure by a process known as coalescence. Alkyd coatings when applied to a highly alkaline surface will fail prematurely due to 7 | P a g e saponification Prior to a project start, the inspector should do ALL of the following EXCEPT direct the application team during the mixing of the coating When inspecting a polyurethane coating it is very important for the inspector to ensure the specified materials, components, solvents, and colors are correct The requirements of a coating project should be defined by the coatings specification A pre-job conference is helpful for reviewing safety procedures, cleaning procedures, application procedures, contractor's schedule The abrasive blast cleaning of steel is defined in several different standards Which statement is true for the surfaces cleaned to a SSPC SP-11? a power tool standard for cleaning to bare metal with a minimum of 1 mil/25micron. The NACE modified definition of a coatings specification is a formal document that tells the contractor (applicator) what to do, where to do it, and how to do it. false The NACE No.2/SSPC SP-10 is a surface preparation standard for near white blast cleaning The NACE No.3/SSPC SP-6 is a surface preparation standard for commercial blast cleaning ISO Sa 2 is a blast cleaning standard that is similar to which joint standard? NACE No.8/SSPC SP 14 Industrial Blast Cleaned Surface Approximately 75% of premature coating failures are caused by inadequate or improper surface preparation The generally accepted nozzle pressure for manual blast cleaning operations is 90-100 psi (6.2 to 6.9 bar) Coarse replica tape is used when the depth of anchor pattern/surface profile to be measured is expected to be 3 mils (75 microns). False 10 | P a g e Name some tests that may need to be conducted during surface preparation and coating operations. Temperature, Relative Humidity, Dew Point, Anchor Profile, Surface Cleanliness Name some of the documentation/reports that may be required to be maintained on a coatings project. Daily/weekly summary, material usage reports, manpower and equipment, non conformance, and conformance What are the most important characteristics of a good report? Objective, Accurate, and Detailed. What is the inspector's primary responsibility and what should the inspector not do as it pertains to the specification. The Inspector's primary responsibility as the inspector is to "enforce" specification. The inspector is NOT to make changes to the specification for any reason. What type of information could you expect to find on a Product Data Sheet? Surface preparation and application information such as recommended level of surface cleanliness, recommended application methods and equipment such as tip sizes. Also, environmental parameters for application such as max and min temperatures, curing times, recoat windows. What type of information could you expect to find on a Safety Data Sheet? Health, safety and environmental. The PPE required. Physical characteristics. Emergency responder information. Explain the difference between Quality Assurance (QA) and Quality Control (QC). Quality Assurance - Any systematic process of checking to see whether a product or service being developed is meeting specs. Quality Control - A procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer Identify some of the defects that can be caused by incorrect application temperatures. Failure to cure, too rapid solvent evaporation, poor film formation Describe relative humidity. The amount of moisture in the air compared to saturation level What is the dew point temperature? The temperature at which moisture will begin to form on a steel surface. Name some of the effects wind may have on a coatings project. blowing abrasives, causing excessive drift or overspray, accelerating solvent evaporation, contributing to the formation of dry spray 11 | P a g e What are some of the common errors when using an electronic hygrometer? Failure to acclimate the instrument to the environment with adequate time. Explain the process for use of the sling psychrometer. Make sure the wick is wet and clean, continue to "sling" until 3 consecutive readings are achieved List three desirable properties of a coating? Chemical Resistance, water resistance, ease of application, cohesive strength, impact resistance, dielectric strength Two broad classifications of a coating are: Organic/Inorganic, Convertible/non-convertible, thermosetting/thermoplastic What are the two primary components of a liquid applied coating? Pigment, Vehicle (Resin or Binder) What are the three methods by which a coating provides corrosion control? barrier, inhibitive, sacrificial What are the three different ways a coating can adhere to the surface? Chemical, Mechanical, Polar, or combo of all three The two broad classifications for curing mechanisms are: Convertible and Non-Convertible List two Non-convertible coating types: Chlorinated rubber, vinyl List three convertible coating curing mechanisms oxidation, co-reaction (polmerization), hydration, fusion List two characteristics of oxidation cure coatings Not suitable for immersion service, not suitable for use over alkaline substrates, limited dry film thickness per coat List three coating types that cure by polymerization epoxies, polyurethanes, polyureas, polyaspartics, polysiloxanies Induction time is: the time required by the product data sheet (coatings manufacturer) between mixing the coating and the start of application What is the main requirement for a hydrolysis coating cure? 12 | P a g e Moisture Industrial and marine coatings are commonly referred to by generic resin type Oil based coatings applied over alkaline surfaces may result in saponification List five of the formal sections usually contained in a good specification scope of work, terms and definitions, pre-job conference, application, sampling coatings, inspection What are two of the inspector's responsibilities as it relates to the specification? Enforce the specification, NOT to make changes to the specification During the surface preparation, surface cleanliness should be inspected (as a minimum) the following three times: Before any surface preparation activities, after surface preparation - before coating begins, between each application of coating in a multi-coat system Factors during surface preparation that may effect service life include: residues of oil, grease, and soil. rust on the surface. loose or broken mill scale. rust scale. anchor pattern. surface condensation. Common design defects include: Hard to reach or inaccessible areas. rivets, bolts, or other connectors. welds. gaps. overlapping surfaces. threaded areas. dissimilar metals. construction aids Common fabrication defects include: weld spatter, skip welds, sharp corners & Edges Four typical SSPC SP1 pre-cleaning methods include: Solvent wipe with cloth or rag, immersion of the substrate in solvent, solvent spray, vapor degreasing, emulsion cleaining, chemical paint stripping, use of alkaline cleaners One standare for use with Power Tool Cleaning is: ISO St2. ISO St3. SSPC SP-3. SSPC SP-11 Four examples of tools used for Power Tool Cleaning are: rotary wire brushes, impact tools, needle scaler, disc sanders, piston scalers Two Abrasive Blasting methods include: Centrifugal blasting, sand-injected water blast, slurry blast, wet abrasive blast, dry grit blasting 15 | P a g e Documentation may include: Detailed written daily reports, inspection logs, routine reports, reports for weekly progress meetings, daily entries in a project log book, a daily inspection report using standardized forms, routine reports, monthly or quarterly reports Inspection records show: environmental conditions, pretreatment details, cleaning details, materials details, coating applications details, results of work and all tests Good records allow management to: detect and tag design defects for future work, evaluate coating performance, determine annual cost data on each coating system, develop ongoing maintenance program Project inspection documentation provides: inspection (QC) records, management information, verification of work by the contractor, details of non- conforming work One guide for enclosures for coatings projects is: SSPC Technology Guide No. 12, SSPC Technology Update No. 6 Guide for Containing Surface Preparation Debris Generated During Paint Removal Operations Low Temperature concerns during coatings application include: Slow the curing of chemically curing coatings, will increase the viscosity of material, some coatings may use special cure High temperatures concerns during coatings application include: Can cause the solvent to evaporate too fast, will reduce the pot life, decrease the viscosity of many two- component materials High humidity during coating application: Slows the evaporation of the solvent, can leave moisture on the surface of the coating, may effect the gloss or color, may cause amine blush (must be removed prior to top coating) Coatings may be applied by the following methods: Roller, brush, airless spray (including plural component), conventional spray, high volume low pressure (HVLP), air assisted airless Coatings Product Data Sheets (Paint Specs) provide users with the following: surface preparation, storage, mixing and thinning, application procedure, DFT requirements SDS contains the following: Provides workers and emergency personnel with critical information on composition, handling or working with the substance. Includes information such as melting point, boiling point, flash point, 16 | P a g e toxicity, health effects, first aid, reactivity, storage, disposal, protective equipment, and spill handling procedures. Provides info regarding the safety issues associated with any hazardous (or potentially hazardous) material. Provides instructions for the correct action to take in the event of a spill, explosion, fire or hazardous exposure. Failure of coatings to cure may be caused by: not adding curing agent, wrong curing agent or incorrect amount of it. problem with material from the manufacturer. environmental issues (too cold, hot, or humid). wrong or contaminated thinner (solvent) Some of the problems that can be caused by amine blush are: surface tackiness or greasiness, incomplete curing, poor adhesion, coating discoloration, poor gloss retention Runs, Sags, and wrinkles may be caused by: applying the coating too thick, too much or the wrong thinner used, surface too hot to apply the coating, application of coating at the end of its pot life, wrong thixotrope used in manufacturing ____ is a powdery, friable layer on the surface of a coating that is most common with epoxy coatings. Chalking Cratering may be caused by: air trapped in the coating and forming a bubble which then bursts, air trapped in the coating during mixing if the proper procedures are not followed Vacules or voids are typically caused by: running the mixer too fast Pinholes are: Very small holes in a coating typically caused by air or solvent trapped in porous film and escaping. A common cause of blistering is: Surface Contamination under the applied coating Cracking of coating is noted: When the crack extends to the substrate Checking can be described as: fine cracks in the surface of a coating that don't extend through to the substrate Adhesion failures may be caused by: contamination on the surface, wrong surface preparation specified, failure to inspect surface preparation, insufficient surface profile, exceeding the topcoat window, application of incompatible coatings 17 | P a g e General types of holiday detectors include: Low-voltage DC, High-voltage DC, High-voltage AC Low-voltage (wet sponge) holiday detectors are powered by batteries with output voltages ranging from ______. 5 to 120 V DC Describe Low-voltage (wet-sponge) holiday dectectors: ground cable is attached directly to substrate, sponge saturate with a solution of tap water/wetting agent, maximum rate of 30 cm/s (1 linear ft/s) double stroke, used on coatings up to 500 uM (20 mils), may be used on concrete High Voltage DC Holiday detector types include: DC - Pulsed, DC - Constant Current Describe High Voltage DC Holiday Detectors: Ground conection must be made direct to metal substrate (preferred) or indirectly when necessary (e.g., to soil for pipeline measurement). Rule of thumb: 100V/mil (4V/um). Electrode rate of 0.3 m/s (1 ft/s) in a single pass (according to NACE Standard SPO 188). Voltage output range from 800 to 60,000 V The type of High Voltage Holiday dectector used for concrete is a: High Voltage DC Constant Current What is a Standard? An established norm or requirement that is written by industry professionals. A formal document that establishes uniform engineering or technical criteria, methods, processes and practices What percentage of NACE Standards relate to coatings? 50% nhibitive coatings, in addition to serving as a barrier, actively slow down the reaction occurring at the _____________________________. a. Anode b. Cathode c. Both anode and cathode d. All of the above d. All of the above To be effective, inhibitive coatings must be in contact with the _________________. a. Primer b. Coating 20 | P a g e c. Electrical resistance d. None of the above b. Heat resistance Most industrial and marine coatings are Inorganic coatings. a. True b. False b. False Liquid-applied coating components are characterized by Pigment, Resin/binder, Solvent and ______________. a. Additive b. Vehicle c. Spray gun d. Aerosol b. Vehicle A discrete particulate solid used to impart specific properties to the coating in the liquid and solid state is called: a. Additive b. Pigment c. Binder d. Solvent b. Pigment ____________ are most commonly liquid components of a coating typically added in small amounts to perform a specific function and each one give the individual product its unique characteristics. a. Pigment b. Resin c. Additives d. Solvents c. Additives The backbone of the coating which supplies most of the heavy-duty features and functions of the material is called the ___________. a. Binder b. Solution c. Solvent d. Resin a. Binder Because of environmental legislation, coating users and manufacturers are actively researching technologies to reduce or eliminate the need for: a. Binders 21 | P a g e b. Solvents c. Additives d. Pigment b. Solvents A description of the way a coating transforms from a liquid to a solid state is called: a. Drying b. Cooking c. Curing d. Evaporation c. Curing Name the two broad classifications of curing mechanism. a. Drying and Wetting b. Nonconvertible and Convertible c. Organic and Inorganic d. None of the above b. Nonconvertible and Convertible There is no _________________ change in to the resins in nonconvertible coatings as they change from the liquid to the solid state. a. physical b. structural c. viscosity d. chemical d. chemical Once applied, nonconvertible coatings can be redissolved in the original solvent. a. True b. False a. True Because they can be redissolved, nonconvertible coatings are sometimes referred to as _________________________ material. a. thermoset b. thermoplastic c. organic d. non of the above 22 | P a g e b. thermoplastic Convertible coatings cure by one of several polymerization mechanisms, even when solvent evaporation is also involved. a. True b. False a. True The resins used in convertible coatings undergo a chemical change as the cure progresses, so the resulting film is not readily redissolved in the solvent(s) used in application. These types of coatings are also known as: a. thermoplastic materials b. organic materials c. acrylic materials d. thermoset materials d. thermoset materials Polymerization basically means that a small molecule is transformed to a larger molecule by a variety of mechanisms and is also referred to as: a. cross linking b. mixing c. curing d. non of the above a. cross linking ___________________ coatings cure by polymerization between at least two chemical entities. a. hydrolysis b. co-reaction c. fusion d. non of the above b. co-reaction Which of the following are examples of Nonconvertible coatings? a. evaporation cure b. oxidation cure c. hydrolysis d. non of the above a. evaporation cure 25 | P a g e a. abrasive blasting A common design defect that can affect the coating process is: a. Rivets, bolts or other connections b. Welds c. Dissimilar metals d. all of the above d. all of the above Dissimilar metals that come into contact with each other create a __________________________ cell, which can start corrosion resulting in coating failure. a. galvanic b. cathodic c. metallic d. organic a. galvanic Which of the following should the inspector be constantly aware of during pre-cleaning? a. Visually check the substrate to determine if contaminants are present b. After solvent cleaning, if required, ensure that no cleaning substances remains on the surface c. both a and b above d. none of the above c. both a and b above Mill scale, rust, and paint are considered adherent if they cannot be removed by lifting with a: a. sharp knife b. screw driver c. wire brush d. dull putty knife d. dull putty knife Which of the following standards deals with hand tool cleaning? a. SSPC SP2 b. ISO St 2 c. ISO St 3 d. all of the above d. all of the above 26 | P a g e A rule of thumb for sizing of the abrasive blast hoses is: the hose ID should be _________________________ times the size of the nozzle oriface. a. two to three b. three to four c. four to five d. none of the above b. three to four In October 1994, NACE and SSPC jointly issued surface preparation standards for abrasive cleaning. The SSPC that corresponds to what NACE No. 1 is? a. SP-5 b. SP-10 c. SP-6 d. SP-7 a. SP-5 In October 1994, NACE and SSPC jointly issued surface preparation standards for abrasive cleaning. The SSPC that corresponds to what NACE No. 3 is? a. SP-5 b. SP-10 c. SP-6 d. SP-7 c. SP-6 In October 1994, NACE and SSPC jointly issued surface preparation standards for abrasive cleaning. The SSPC that corresponds to what NACE No. 4 is? a. SP-5 b. SP-10 c. SP-6 d. SP-7 d. SP-7 Which of the following surface preparation standards for abrasive blast cleaning covers "White Metal Blast Cleaning"? a. NACE No. 1 b. NACE No 2 c. NACE No 3 c. NACE No 4 27 | P a g e a. NACE No. 1 Near-white blast cleaned surface shall be limited to no more than __________ % staining. a. 2% b. 4% c. 5% d. 10% c. 5% Which of the following rust grades is described as 100% rust with pits? a. Rust Grade A b. Rust Grade B c. Rust Grade C d. Rust Grade D d. Rust Grade D Which of the following rust grades is described as 100% adherent mill scale? a. Rust Grade A b. Rust Grade B c. Rust Grade C d. Rust Grade D a. Rust Grade A Which of the following is considered a specialty abrasive? a. Dry Ice b. Baking Soda c. Sponge d. All of the above d. All of the above Which of the following forms of water blast cleaning uses abrasive combined with water? a. Waterjetting b. Water blasting c. Pressure washing d. None of the above b. Water blasting What category of waterjetting uses pressures above 210 MPa (30,000 psi)?