FINAL EXAMINATION
question sheet. Choose the most most appropriate appropriate answer INSTRUCTION: Do not fill anything here on the question for each question below and mark it on the separate form form provided. You have 180 minutes to to complete this eamination eamination.. !ork ork honestly and responsibly responsibly"" please bear in your mind" there is no compromise" compromise" cheating is a serious offense. 1. #or what purpose is a ferrous iron titration method used$ %. &epa &epair irin ing g coat coatin ing g imper perfect fectiions ons '. (eas (easur uriing atm atmosph ospher eric ic cond condiition tionss C. (easuring salt contamination D. (easuring surface profile ). *hermoplastic coating materials soften and become fluid each time the y are heated. %. *rue '. #alse +. ,eating a liquid coating increases its viscosity %. *rue '. #alse -. Dehumidification is used during coating applications to %. Control the environment '. /mprove application conditions C. (aintain a corrosivefree blast cleaned surface for an etended period of time D. one of the above 2. 'y which of the following mechanisms of film formation do epoy esters cure$ %. 3vaporation of of organic so solvent '. Coalescence of of water emulsion C. Chem Chemiical cal rea react ctiion of com compone ponent ntss D. Chem Chemic ical al react eactiion wit with oy oyge gen n in in ai air 4. !hich of the following is a function of the solvent$ %. 5roviding corrosion inhibition '. %ccelerating the film curing C. (eet (eetin ing g env envir ironm onmen enta tall regu regula lati tions ons D. &edu &educi cing ng visc viscos osit ity y for for easi easier er appl applic icat atio ion n 6. /f the dry bulb and wet bulb temperatures of the sling psychrometer are the same" the air is saturated and cannot absorb more moisture %. *rue '. #alse 8. &elative humidity epresses the moisture content of air as a percentage of what it can hold when the air saturated %. *rue '. #alse 7. !hich can be used in the field to measure the viscosity of a coating$ %. Conductivity meter '. lip meter C. 9ahn cup D. /nfrared gun
Final Examination, Coating Inspector Training & Certification Program Level 1
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10. %s the relative humidity increases" water can evaporate faster since the air can absorb more moisture %. *rue '. #alse 11. !hich of the following types of abrasive is most commonly used for centrifugal blasting of steel surfaces$ %. teel shot and grit '. ynthetic abrasives C. ilica sand D. %ll of the above 1). !hich of the following would be found as sections in a good coating specification$ %. c cope or or de description of of the wo work '. u urface pr preparation C. /nspection and documentation D. %ll of the above 1+. /t is generally acceptable to use coatings from different manufacturers on the same structure as long as the coating inspector keeps good records %. *rue '. #alse 1-. %ccording to %C3 o. 2 : 5C 51)" ab rasives are not used in the water ;etting process %. *rue '. #alse 12. (ost solventbased inorganic
'. Changing abrasive particle si
16. /n outside environments" the steel temperature may be %. *he same as the ambient temperature '. 'elow the ambient temperature C. ,igher than the ambient temperature D. %ll of the above 18. %ccording to 5C>/1" new steel blastcleaned to a near white metal blast is designated as %. % 5 2 '. % 5 10 C. ' 5 10 D. % 5 4
Final Examination, Coating Inspector Training & Certification Program Level 1
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17. *ime required between coats of material %. /s normally stated on the technical data sheet '. >aries >aries based on ambient conditions C. hould be investigated before starting the ;ob D. %ll of the above )0. Check abrasive blast pressure close to %. *he compressor C. *he blast no<
'. *he strainer D. %ll of the above
)1. *he coating inspector should act as recording secretary during the pre;ob meeting %. *rue '. #alse )). !hich of the following is the most important reason to keep hose length from blast pot to no<
Final Examination, Coating Inspector Training & Certification Program Level 1
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)8. !hen the ) tip is used with the paint inspection gauge %. 3ach scale unit equals ) mils of coating thickness '. *wo scale units equal 1 mil of coating thickness C. *wo scale units equal ) mils of coating thickness D. %ll of the above )7. % paint inspection gauge is usually supplied with three tips %. 1" )" + '. 1" 2" 10 C. 1" )" 10 D. )" 2" 10 +0. 3lectromagnetic D#* instruments are generally unaffected by magnetic and conductive properties of the substrate %. *rue '. #alse +1. oluble salts on a steel surface may promote corrosion after the steel has been coated %. *rue '. #alse +). !hich of the following is a disadvantage of electrostatic spray$ %. 5oor coverage '. 3cessive overspray C. Henerally only one coat can be applied D. %ll of the above ++. 5lural component spray equipment would not be used to apply %. Cataly
Final Examination, Coating Inspector Training & Certification Program Level 1
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+6. 5C 5+ is a standard for commercial blast cleaning %. *rue '. #alse
+8. !hat degree of white metal is required by %C3 o. )$ %. 70= '. 72= C. 44=
D. %ll of the above
+7. !hich of the following statements is true about corrosion$ %. /t is a natural process '. /t is a very costly process C. (uch of it can be controlled with present technology D. %ll of the above -0. /t provides good eamples of weld defects and their correction. %. %C3 &50168 '. %C3 &50188 C. %C3 &50178 D. %C3 &50166 -1. !hich of the following items are required for corrosion to occur$ %. *wo dissimilar metals in contact with each other in a conductive medium '. tray current C. %n anode" a cathode" a metal path" I an electrolyte D. /mmersion in water or burial in soil -). ,ow do most coatings provide corrosion protection to metals$ %. 'y electrical BgalvanicE protection '. 'y interfering with the corrosion reaction C. 'y isolating the metal from the surrounding environment D. 'y forming a passive oide film on the metal -+. !hich of these pairs of ingredients comprise a coatingJs total solids$ %. olvent and pigment '. olvent and binder C. 'inder plus pigment D. 'inder plus soluble additives --. *here are many forms of locali
Final Examination, Coating Inspector Training & Certification Program Level 1
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-2. !hich of the following statements is true about protective coatings$ %. *hey perform well in con;unction with cathodic protection '. *hey contain no ha. &ecoat /nterval %. / only '. / I // only C. / I /// only D. /" ///" and /> 21. /t occurs when two dissimilar metals are in contact to each other in an electrolyte. %. Concentration Cell Corrosion '. tray Current Corrosion C. Halvanic Corrosion D. 'oth % I '
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2). Halvanic metal corrosion can usually be avoided by selecting compatible metals that will come into contact with each other. %. *rue '. #alse 2+. !hich of the following items is used to detect oil or moisture in the compressed air used for abrasive blasting$ %. >ial '. ,ypodermic gage C. Color reagent D. 'lotter 2-. !hich of the following items is used to detect oil or clay on an abrasive used for abrasive blasting$ %. >ial '. ,ypodermic gage C. Color reagent D. 'lotter 22. !hich of the following is considered to be a synthetic abrasive$ %. Harnet '. %luminum oide C. and D. teel grit 24. !hich of the following is a natural abrasive$ %. Harnet C. Coal slag
'. %luminum oide D. ilicon carbide
26. !hat is the purpose of a whip used during abrasive blasting$ %. *o reduce hose resistance to abrasive flow '. *o reduce rate of no<
Final Examination, Coating Inspector Training & Certification Program Level 1
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41. @n which of the following structures would a +coat alkyd system be most appropriate$ %. 'ridge in mild environment '. /nterior of a water storage tank C. /nterior of a fuel tank D. 'uried steel pipe line 4). !hich of the following pairs of technical organi
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47. #or which of the following reasons does the inyl Bsolution or emulsionE '. Coal tar epoy C. 3poy ester D. /norganic
Final Examination, Coating Inspector Training & Certification Program Level 1
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68. !hich of the following metals cannot be used as an anode for galvanic BcathodicE protection of steel$ %. 9inc '. %luminum C. (agnesium D. Copper 67. !hich of the following metals is the most electronegative Bi.e." highest in the galvanic seriesE$ %. 9inc '. /ron C. Copper D. Hold 80. !hich of the following types of accelerated corrosion is typically associated with electric railway and crane systems$ %. Dealloying '. Crevice corrosion C. tray current corrosion D. Halvanic corrosion 81. !hich of the following types of cathodic protection system requires a conductive medium such as soil or water to perform successfully$ %. Halvanic Bsacrificial anodeE only '. /mpressed current only C. 'oth a and b D. one of the above 8). !hich of the following terms is commonly used for concentration cell corrosion$ %. Crevice corrosion '. Halvanic corrosion C. (icrobiologically influenced corrosion D. 3foliation 8+. !hich of the following coatings provides galvanic BcathodicE protection$ %. 3poies '. %lkyds C. 5olyurethanes D. 9incrich coatings 8-. 'y which of the following mechanisms can micaceous iron oide provide corrosion protection to steel$ %. 'y inhibiting the corrosion reaction '. 'y providing a type of cathodic protection C. 'y increasing the path that electrolytes must take to reach the metal D. 'y reflecting ultraviolet light 82. !hich of the following coating types is thermosetting$ %. >inyl emulsion '. >inyl lacquer C. 3poy polyamide D. Coal tar 84. !hich of the following coating types may protect steel cathodically$ %. /norganic
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86. !hich of the following is an advantage of water ;etting as compared to abrasive blasting in preparing steel surfaces$ %. /t removes grease and oil '. /t removes soluble salts C. /t produces a higher profile D. /t is comparatively safe to use 88. #or which of the following reasons is an aliphatic polyurethane coating often used as a topcoat for an eterior epoy coating system$ %. to impart better fleibility to the system '. to impart better abrasion resistance C. to impart better resistance to the ultraviolet light D. to use a cheaper barrier coating 87. !hich of the following is considered to be a suitable environment for inyl ester 7). !hich of the following is a limitation of
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72. elect the greatest advantage of pluralcomponent coating application. %. %bility to spray 78100= solids '. ,ighest quality finishes C. >ery efficient for both big and small ;obs D. &equires very little equipment operator skill 74. !hat does a banana gauge measure$ %. lipresistance C. 5rofile height of abrasive blasted steel
'. &emote temperature readings D. Coating dry film thicknesses
76. !hich is most susceptible to mud cracking$ %. ?ongoil alkyd C. /norganic
'. 5olyurethane elastomer D. %crylic late
78. elect the condition most likely to cause osmotic blistering of coatings on steel surfaces. %. %ttack by the suns ultraviolet light '. %ttack by acid fumes in the atmosphere C. % rigid topcoat applied over a more fleible coating D. Chloride contamination not removed by cleaning 77. elect the statement that best describes inorganic
Final Examination, Coating Inspector Training & Certification Program Level 1
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10+. !hich of the following is a limitation of water ;etting$ %. /t is very slow '. /t does not remove mill scale C. /t does not produce a surface profile D. /t uses huge volumes of water 10-. !ith which of the following defects is too high a steel blast profile often associated$ %. @smotic blistering '. 5inpoint corrosion C. Halvanic corrosion D. ?imited coating adhesion 102. 'y which of the following methods can grease and oil best be removed from contaminated steel surfaces$ %. %brasive blasting to white metal blast cleaning B5C5 2E '. olvent cleaning B5C5 1E C. !ater;etting B55 1)E to !L1 D. 5ower tool cleaning B5C5 +E 104. 'efore starting abrasive blasting" which of the following methods is typically used to determine the presence of water or oil in the blast stream$ %. eedle gauge test '. 'lotter test C. *apered orifice gauge test D. (oisture test 106. !hich of the following is the percent of shadows" mill scale" and stains permitted after abrasive blasting to an 5C5 4 Bcommercial blast cleaningE$ %. 0 '. 2 C. ++ D. 46 108. %ccording to %C3 )" 72= of the surface must be totally free from rust" mill scale" dirt" oil" grease" and other contaminants ecept 2= allowed for stain and streaking %. *rue '. #alse 107. !hich of the following is 5C 54 or %C3 o. + %. *horough 'last '. !hite (etal 'last C. Commercial 'last D. ear !hite 'last 110. !hich of the following is the reference standard of %C3 %. /@ &ef 8201 '. 5C >is) C. 5C >is1 D. %C3 *(0170 111. %ccording to %C3 +" 46= of the surface must be totally free from rust" dirt" oil" grease" and other contaminants ecept ++= allowed for stain. %. *rue '. #alse
Final Examination, Coating Inspector Training & Certification Program Level 1
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11). !hich of the following is the reference degree of cleanliness after abrasive blast clean of painted steel %. 5C >is) '. 5C >is+ C. 5C >is1 D. 5C >is11+. #or which of the following reasons is a 'resle patch used$ %. &epair of damaged coatings" particularly on tank floors '. Detection of oil contamination on abrasives C. %nalysis of soluble salts on cleaned surfaces D. Detecting surface moisture 11-. %t which of the following times can striping be properly applied to edges or welds on steel structures$ %. 'efore applying a full coat '. %fter applying a full coat C. 3ither a. or b. D. either a or b. 112. %t which of the following wet film thickness should a coating with 80= solids by volume and thinned 10= by volume be applied to obtain a dry film thickness of - mils$ %. -.2 mils '. 2 mils C. 2.2 mils D. 4 mils 114. !hich of the following coating application methods has the greatest production rate$ %. Conventional air spray '. %irless spray C. ,>?5 spray D. 5ower roller 116. !hich of the following coating application methods has the highest transfer efficiency$ %. Conventional air spray '. %irless spray C. ,>?5 spray D. 3lectrostatic spray 118. !hich of the following best describes theoretical spreading rate$ %. *he spreading rate of a professional painter '. *he spreading rate of robotic spraying C. *he spreading rate on a flat surface if no material losses occurred D. *he spreading rate with 10= loss 117. %t which of the following wet film thickness must a coating containing 20= solids by volume and thinned 10= be applied to achieve a - mil dry film thickness$ %. -.8 mils '. 4.0 mils C. 8.0 mils D. 8.8 mils 1)0. !hich of the following is the standard described the use of wet film thickness$ %. %*( D--1'. %*( D-)1) C. %*( D-212 D. %*( D-617
Final Examination, Coating Inspector Training & Certification Program Level 1
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1)1. !hich of the following is the standard described the use of ?5 spraying$ %. ,igher application rate '. ,igher transfer efficiency C. 'est method of applying viscous coatings D. %daptability to plural component systems 1)4. !hich of the following best describes induction time for thermosetting coatings$ %. *ime period after miing and before spraying for reaction of components to receive a start '. *ime period during which the mied coating can be applied successfully C. *ime period for proper etent of curing of the coating before topcoating D. *ime period during which the coating can be stored without significant deterioration 1)6. !hich of the following best describes pot life of thermosetting coatings$ %. *ime period after miing and before spraying for reaction of components to receive a start '. *ime period after miing of components during which the coatings can be applied successfully C. *ime period for proper etent of curing of the coating for successful topcoating D. *ime period during which the coating can normally be stored without significant deterioration 1)8. !hich of the following best describes recoat window$ %. *ime period after miing and before spraying for reaction of components to get a start '. *ime period during which the mied coatings can be successfully applied C. *ime period for proper etent of curing of the coating for successful topcoating D. *ime period during which the coating can be successfully stored
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1)7. !hich of the following reasons should coatings not be overmied$ %. *o avoid overheating '. *o avoid buildup of static electricity C. *o avoid entrapment of air bubbles D. *o limit eposure time to air contaminants 1+0. !hich of the following is an advantage of pluralcomponent spray systems$ %. o pot life problems with chemicallycuring coatings '. 3ase of operations C. #iner atomi@C content$ %. %lkyd '. >inyl lacquer C. Coal tarcut back D. 100=solids epoy 1+). !hich of the following is true concerning conventional air spray$ %. 'etter transfer efficiency than airless spray '. 'etter application rate than airless spray C. afer to use than airless spray D. 3asier application of highviscosity coatings than airless spray 1++. !hich of the following is the minimum pressure requirement of airless for atomi
Final Examination, Coating Inspector Training & Certification Program Level 1
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1+6. !hich of the following is the cause of brush marks and orange peel in coatings$ %. /nadequate leveling '. /nadequate surface cleanliness C. /nadequate film thickness D. /ncompatibility with substrate 1+8. !hich of the following is most likely to result from inadequate co ating opacity$ %. /ncomplete hiding of substrate BgrinningE '. 5oor coating adhesion C. *oo low a film thickness D. 'listering of the coating 1+7. !hich of the following is a typical cause o f osmotic blistering of coatings$ %. oluble salts on the surface '. *oo great a surface profile C. *oo thick a coating film D. /nadequate coating adhesion 1-0. !hich of the following is most likely to occur if an alkyd coating is applied over an asphalt coating$ %. 'listering '. 'lushing C. 'leeding D. 'locking 1-1. !hich of the following is most commonly the cause of heavy flash rusting of steel immediately after ultrahighpressure water ;etting$ %. urface contamination with oil '. urface contamination with soluble salts C. urface contamination with blasting dust D. urface contamination with water 1-). !hich of the following tests can best be used to determine if a twocomponent thermosetting coating is fully cured$ %. >ial test '. 'lotter test C. olventrub test D. 5ressuresensitive BcotchE tape test 1-+. !hich of the following documents describes the procedure for measuring coating dry film thickness on steel using a magnetic gage$ %. 5C5% 1 '. 5C5% ) C. /C&/ 0+6+) D. 5C5 6 1--. !hich of the following is the typical air pressure range used in abrasive blast cleaning of steel$ %. -020 psi '. 4060 psi C. 70100 psi D. 1+01-0 psi
Final Examination, Coating Inspector Training & Certification Program Level 1
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1-2. #or which of the following is the vial test used$ %. Contamination of compressed air at blasting no<
1-8. !hich of the following photographic standards can best be used to assist in determining the level of abrasive blast cleaning$ %. 5C>/ 1 '. 5C>/ ) C. 5C>/+ D. 5C>/ 1-7. !hich of the following items can best be used to establish surface profile of abrasive blasted steel$ %. *ooke gage '. Cellophane tape C. /C&/ specimens D. Deformable replicate tape 120. !hich of the following items can best be used to determine etent of chalking of a weathered coating$ %. 5ressuresensitive BcotchE tape '. a 'lack #elt cloth C. a (icrometer D. 5C>/ 121. !hich of the following items can best be used to determine wet film thickness of a coating$ %. *ooke gage '. a Hage with different notch cuts C. a 'anana gage D. a 5encil gage 12). !hich of the following items is best used for measuring the d iameter of a used blast no</ + 12+. % decrease in temperature will generally cause the corrosion rate to /. /ncrease //. Decrease ///. &emain Constant %. / only '. // only C. /// only D. /" //" and ///
Final Examination, Coating Inspector Training & Certification Program Level 1
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12-. teel surface temperature during coating app lication should be %. *he same as dew point temperature '. %t least +0C below dew point temperature C. %t least +0C above dew point temperature D. o more than +0C above dew point temperature 122. Dew point is the temperature at which %. (oisture vapor evaporates C. (oisture vapor /ncreases
'. (oisture >apor Condenses D. Corrosion is lowed Down
124. *he coating inspectors responsibility is to %. >erify compliance with specification requirements '. %dapt the specification to realities of the situation C. 'e the epert on coatings D. Direct the contractors safety meetings 126. /t is the coating inspectors responsibility to %. &ecommend suitable protective coating system for each ;ob '. 'e sure that the most economical bid for coatings is obtained C. 'e sure that the coatings used are the specified coatings D. *ake the pre;ob meeting minutes 128. !ith which of the following type of surfaces is 5C>/ + normally used$ %. *rowelfinished concrete surfaces '. %brasive blasted steel surfaces C. 5owerand handtool cleaned surfaces D. urfaces cleaned by water ;etting 127. #or which of the following purposes is the solventrub test used$ %. Determining gloss retention '. Determining color retention C. Determining etent of curing D. Determining opacity 140. !hich of the following is the purpose of a coating ;ob specification$ %. to obtain a desired product '. to assure quality materials and workmanship C. to avoid delays and disputes D. all of above
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141. !hich of the following is an advantage of shop over field surface preparation and coating Bprimer only or total systemE of steel components$ %. Containment of blasting dust emissions '. 'etter access to work C. 'etter control of environmental conditions D. %ll of the above 14). !hich of the following types of coatings for metal requires the highest level of surface preparation$ %. %lkyd coatings '. %crylic emulsion coatings C. 3poy mastic coatings D. /norganic . &esistance to abrasion %. / I /// '. // I /> C. /" ///" I /> D. %ll of the above
Final Examination, Coating Inspector Training & Certification Program Level 1
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148. %ccording to C+ that chloride" ferrous salts" and sulfate up to maimum 200 mg:m) allowed %. *rue '. #alse 147. 'lade no. 1 in *ooke gauge is representing %. 1 mil '. 0.2 mil
C. 0.1 mil
D. one of the above
160. !hich of the following is the standard described the use of *ooke Hauge$ %. %*( D-2-1 '. %*( D-1+8 C. %*( D++4+ D. %*( D1)00 161. %ccording to 5C5%)" if area to be measured less than 100 sqm" there will a number of -2 average readings should be taken %. *rue '. #alse 16). %ccording to 5C5%)" for every consecutive 100 sqm" there will a number 2 spot measurements need to be taken in 10 sqm %. *rue '. #alse 16+. !hich of the following D#* equipment belongs to %*( D1184' %. 5en Hage '. 'anana Hage C. 3lectromagnetic D. one of the above 16-. %ccording to 5C 5%)" banana gauge must be calibrated on plastic shim %. *rue '. #alse 162. %n inspectors primary duty is to /. @bserve actions of the contractor //. &eport actions of the contractor ///. Document actions of the contractor />. 3nforce all safety rules %. / only '. / and // only C. /" //" and /// only D. /" //" and /> only 164. (agnetic D#* instruments %. Can be used on nonferrous substrates C. %re affected by air temperature
'. %re affected by vibration D. %re affected by substrate temperature
166. !hich of the following best describes a surface or film imperfection that deviates from a specification or standard$ %. a deterioration '. a degradation C. a failure D. a defect
Final Examination, Coating Inspector Training & Certification Program Level 1
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168. !hich of the following structural designs may lead to early coating deterioration and:or corrosion of steel$ %. Crevices '. harp edges C. !ater traps D. %ll of above 167. !hich component of a corrosion cell suffers loss of metal$ %. %node '. Cathode C. (etallic path D. 3lectrolyte 180. !hich of the following best describes bleeding$ %. Color fading caused by ultraviolet light '. @palescence caused by moisture condensing on wet films C. &eaction of coating pigments with air contaminants D. Color migration from underlying coating or substrate to surface of new coating 181. !hich of the following is most likely to occur if a fastevaporating coating is applied on a damp day$ %. 'listering '. 'lushing C. 'leeding D. 'locking 18). !hich of the following defects is most likely to occur when a thermosetting coating is applied well after the recoat window recommended by the manufacturer of the undercoat$ %. 5oor adhesion of topcoat '. Cracking of undercoat C. 'listering of topcoat D. /ncomplete curing of topcoat 18+. !hich of the following is a coating defect caused by too thick a coating being applied$ %. @smotic blistering '. 3rosion C. (ud cracking D. Cathodic disbonding 18-. !hich of the following is an eample of a defect caused by applying a relative rigid coating over a fleible coating$ %. %lligatoring '. 3rosion C. (ud cracking D. 'leeding 182. !hich of the following are significant causes of blistering of coatings$ %. oluble salts under coating '. olvent retained in or under coating C. ?ocali
Final Examination, Coating Inspector Training & Certification Program Level 1
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186. !hich of the following people:agencies are responsible for preparing (Ds for products$ %. @,% '. 35% C. *he product manufacturer D. *he contractor 188. !hich of the following devices is required during abrasive blast cleaning to control effects of a blaster accidentally dropping the no<
Final Examination, Coating Inspector Training & Certification Program Level 1
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174. !hich of the following is a common cause of alligatoring$ %. Coating incompatibility '. urface preparation C. Coating application D. /mproper curing 176. !hich of the following is most likely to occur if a topcoat is applied to a twocomponent epoy at a time that eceeds the intercoat range recommended by the manufacturer$ %. 5oor topcoat adhesion '. /ncomplete curing of the undercoat C. !rinkling of the topcoat D. %lligatoring of the topcoat 178. !hich of the following is not the responsibility of a co ating inspector$ %. 3nforce pecification '. 3nhance pecification C. %ttending the 5re;ob Conference D. 'ecome afety @fficer 177. !hich of the following is usually a general description of the overall pro;ect$ %. afety Check ?ist '. %dministrative 5rovision C. cope D. /nspection 5rocedures )00. %s a coating inspector what shall you do in regards to specification$ %. ,ave it '. &ead it C. Anderstand it D. %ll of them )01. /mproper or incomplete cleaning and removal of rust" mildew" abrasive or other surface contamination can lead to incomplete adhesion of the coating to the metal surface. %. *rue '. #alse )0). *his problem typically results from ecessively high viscosity during application or solvent evaporation rate %. 3rosion '. Chalking C. 'lushing D. @range 5eel )0+. @ccurrence of small holes which provide a path of eposure to the substrate from improper spray atomiE light. %. Chalking '. Checking C. Cracking D. 3rosion
Final Examination, Coating Inspector Training & Certification Program Level 1
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)02. 5ropagation of corrosion under the coating causes disbonding. /t can be reduced or eliminated by enhancing coating:substrate adhesion and through the use of inhibitive primer on the substrate prior to applications of top coat. %. Andercutting '. 5in ,oling C. 'listering D. Checking )04. % coating is a clear or pigmented filmforming material that protects the surface to which it is applied from the effects of the environment. %. *rue '. #alse )06. /n the curing process of ethyl silicate @Cs$ %. 5igment C. olvent
'. &esin D. olids
)1-. elect the twocomponent thermosetting coating. %. %lkyd '. ilicone alkyd C. %crylic late D. 3poy polyamide
Final Examination, Coating Inspector Training & Certification Program Level 1
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)12. !hich of the following instrument is used to measure surface profile of the cleaned steel %. K*% disc '. (icrometer C. &eplica tape D. %ll of the above )14. !hich of the following is equaled to %C3 o. + %. 5C52 '. /@ 8201 a) C. /@ 8201 a)O C. 5C54 )16. *he rule of thumb" when wind velocity is over )2 km:hour" any coating application done in the field must be stopped %. *rue '. #alse )18. !hat is the ppm of chloride allowable for C1$ %. 0 ppm '. 10 ppm C. )2 ppm
D. 20 ppm
)17. !ho is responsible to make the specification$ %. Coating inspector '. Coating specifier C. Coating manufacturer D. Coating applicator ))0. !hat is the acceptance and re;ection criteria of 5C5%)$ %. 70 P 110 '. 80 P 1)0 C. 60 P 1+0 C. 20 P 20 ))1. !hen using banana gauge instrument" where this equipment must be calibrated$ %. 'ase metal '. 5lastic shim C. %ll of the above D. one of the above ))). !hat is the following instrument used to measure the surface temperature of steel$ %. ling psychrometer '. Dewpoint calculator C. (agnetic thermometer D. #luid thermometer ))+. /n which the following clause of /@ 7001)000" you will find about calibration of instruments %. Clause 4.+ '. Clause -.).+ C. Clause 6.4 D. Clause 6.1 ))-. /n which the following clause of /@ 7001)000 dictates that all records must be controlled %. Clause -.).+ '. Clause 6.+ C. Clause 4.) D. Clause -.).-
Final Examination, Coating Inspector Training & Certification Program Level 1
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))2. /f coating thickness is greater than 20 mils and specification requires to check for discontinuity of the coating" what type of the following instrument should be used %. !etsponge holiday detector '. ,ighvoltage DC holiday detector C. %ll of the above D. one of the above ))4. !hen using high voltage holiday detector" what is the minimum and maimum volt required for every 1 mil thickness %. 1000 P 1)20 volts '. 100 P 1)2 volts C. 10 P 1).2 volts D. 10000 P 1)200 volts ))6. Corrosion is defined as the deterioration of a substance usually a metal or its properties because of a reaction with its environment %. *rue '. #alse ))8. % coating inspector does not need to attend pre;ob conference when he has already the specification %. *rue '. #alse ))7. % good specification will state the minimum and maimum D#* of each coat of the coating system and total minimum and maimum allowable D#* %. *rue '. #alse )+0. (udcracking is always associated with %. %lkyd coating C. 5olyurethane coating
'. 3poy coating D. /norganic
)+1. Design and development validation shall be performed in accordance with planned arrangements to ensure that the resulting product is capable of meeting the requirements for the specified application or intended use" where known. !herever practicable" validation shall be completed prior to the delivery or implementation of the product. *o which of the following clause this requirement belongs %. Clause 6.+.4 '. Clause 6.+.2 C. Clause 6.+.) D. Clause 6.+.+ )+). *he service life of a coating system is depend on a number of criteria" include %. Choice of coating system '. %mbient condition under which the system to be applied C. tandard of surface preparation to be undertaken prior to application of the coating D. %ll of the above
Final Examination, Coating Inspector Training & Certification Program Level 1
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)++. %dhesion is the key to coating effectiveness. /t becomes more critical condition for coatings applied in corrosive areas. %. *rue '. #alse )+-. (echanical adhesion is the type of adhesion that is associated with %. urface &oughness '. urface Cleanliness C. %ll of the above D. one of the above )+2. teel surface completely covered with rust" little or no pitting visible. !hat rust grade is this$ %. Hrade % '. Hrade ' C. Hrade C D. Hrade D )+4. !hen viewed without magnification" shall be free of all visible oil" grease" dust" dirt" mill scale" rust" coating" oides" corrosion products" and other foreign matter" ecept for staining. &andom staining shall be limited to no more than 2 percent of each unit area of surface B7 inch)E. /t may consist of light shadows" slight streaks" or minor discolorations caused by stains of rust" stains of mill scale" or stains of previously applied coating. %. %C3 o. 1 : 5C52 '. %C3 o. ) : 5C510 C. %C3 o. + : 5C54 D. %C3 o. - : 5C56 )+6. !hen viewed without magnification" shall be free of all visible oil" grease" dirt" dust" loose mill scale" loose rust" and loose coating. *ightly adherent mill scale" rust" and coating may remain on the surface. (ill scale" rust" and coating are considered tightly adherent if they cannot be removed by lifting with a dull putty knife after abrasive blast cleaning has been performed. %. %C3 o. 1 : 5C52 '. %C3 o. ) : 5C510 C. %C3 o. + : 5C54 D. %C3 o. - : 5C56 )+8. %ir quality from the compressor must be free of oil and water %. %*( D-)82 '. %*( D++27 C. %*( D-)4) D. %*( D-7-0 )+7. *he coating is atomi
Final Examination, Coating Inspector Training & Certification Program Level 1
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)-1. Dry film thickness can be measured only after curing of coating films" a different technique must be used at the start of coating to ensure that sufficient dry film thickness will result. *his technique is to measure %. 5inholes '. !et film thickness C. %dhesion of coating D. one of the above )-). %n incomplete spatter coat applied with a very fast gun motion. *he idea is to partially displace the air in porous coatings like inorganic erify in writing that all requirements of the specification have been met '. detect deviations from the specification C. 'oth % I ' D. one of the above )-4. *his section in the specification must includes preinspection" precleaning" and cleaning operations to referenced standards A. Sura!e "re"arati#n '. Coating schedule C. cope D. /nspection )-6. *his section normally is included in the part of inspection and refers to all recordkeeping and reports of the inspection process. %. urface preparation '. Coating schedule C. Documentation D. %pplication
Final Examination, Coating Inspector Training & Certification Program Level 1
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