1. API 570 applies applies to piping piping systems systems for process process fluids, fluids, hydrocar hydrocarbons bons and and similar similar flammable or toxic fluid services. hich of the follo!ing services is not specifically applicable" a. #a!, #a!, intermediate intermediate and finished finished petrole petroleum um products products b. a ater, ter, steam condensate, boiler feed !ater c. #a!, #a!, interm intermedi ediate ate and finish finished ed chemica chemicall products products d. $ydro $ydrogen gen,, natural natural gas, gas, fuel gas gas and flare flare system systemss %. &he recommen recommended ded upstream upstream limit limit of inspection inspection of of an in'ection in'ection point is a minimum of a. 1% feet feet or or ( pipe pipe lengt lengths hs !hich !hicheve everr is small smaller er b. 1% inches or ( pipe diameters !hichever is smaller c. 1% inche inchess or ( pipe pipe diam diameter eterss !hiche !hichever ver is great greater er d. 1% feet feet or or ( pipe pipe lengt lengths hs !hich !hich is is greate greater r (. )oth the the stagnant stagnant end and and the connecti connection on to an active active line of of a deadleg should should be monitored. In a hot piping system, !hy does does the high point of a deadleg corrode and need to be inspected" a. *orrosion *orrosion occurs occurs due due to directed directed currents currents set set up in the the deadleg deadleg b. +rosion occurs due to convective currents set up in the deadleg c. *orrosion *orrosion occurs occurs due due to convective convective current currentss set up up in the the deadleg deadleg d. +rosion +rosion occurs occurs due due to directed directed currents currents set set up in the the deadleg deadleg . hat location location is sub'ect sub'ect to to -particular -particular attention attention related related to to corrosion corrosion under under insulation and inspection contributes to it" a. /ocations /ocations !here pipe hangers hangers and and other other supports supports exist exist b. /ocations !here insulator has been stripped to permit inspection of the piping c. /ocations /ocations !here !here insulation insulation plugs plugs have been been removed removed to permit permit piping piping thicness measurements d. /ocations /ocations !here !here there there is damaged damaged or missing missing insulation insulation 'aceting 'aceting 5. An example example of servicesp servicespecific ecific and localised localised corrosion corrosion is a. *orrosion *orrosion under under insulatio insulation n in areas expose exposed d to steam vents b. 2nanticipated acid or caustic carryover from processes into non alloyed piping c. *orr *orros osio ion n in dea deadl dleg egss d. *orrosion *orrosion of of undergro underground und piping piping at soiltoair soiltoair interfac interfacee !here it it ingresses or egresses 3. 4atigu 4atiguee cracing cracing of pipi piping ng system systemss may result result from a. +mbrittlemen +mbrittlementt of the the metal metal due to it operating operating belo! belo! its its transition transition temperature b. +rosion or corrosion erosion that thin the piping !here it cracs c. +xcessive +xcessive cyclic cyclic stresses stresses that that are often !ell belo! belo! the static static yield yield strength of the material d. +nvironme +nvironmental ntal cracing cracing caused caused by by stress corrosion corrosion due due to the the presence presence of caustic amine or other substance
7. hat are the preferred preferred 6+ 6+ methods methods for for detecting detecting fatigue fatigue cracing" cracing" a. +ddy current current testing testing ultrasonic ultrasonic Ascan Ascan testing testing and or possibly possibly hamme hammerr testing b. /i8uid penetrant testing magnetic particle testing and or possibly acoustic emission testing c. 9isual 9isual testing testing eddy eddy current current testing testing and and or possibl possibly y ultrasonic ultrasonic testing testing d. Acoustic Acoustic emission emission testing testing hydro hydro testing testing and or or possibly possibly ultrason ultrasonic ic testing :. hen corrosio corrosion n product product build build up is noted noted during during an external external visual inspec inspection tion at a pipe support contact area, lifting of such supports may be re8uired for inspection. hen doing this care should be a. +xercis +xercised ed if if the the pipi piping ng is is inser inservic vicee b. 2sed !hen determining the course of action c. Practic Practiced ed so as not not to distu disturb rb the the suppor supports ts d. &aen &aen that that a complete complete record record of of the problem problem is made ;. hen should should special special attention attention be be placed !hen !hen taing taing thicness thicness measurem measurements ents of an elbo!" a. &he outlet b. &he inlet end c. &he &he insid insidee and and outs outsid idee radi radius us d. &he sides 10. &ypical &ypical digital thicness gages may have trouble measuring thicness less than <<<<<
1(. hat course of action is called for !hen an inspector finds finds a flange 'oint that has been clamped and pumped !ith sealant" a. isassemble isassemble the the flange flange 'oint> 'oint> rene! rene! the the fasteners fasteners and gasets. gasets. &he &he flanges may also re8uire rene!al or repair b. #ene! all the fasteners and rene! the gaset if leaage is still apparent c. *hec for for leaage leaage at the the bolts> bolts> if repumpi repumping ng is contemp contemplated, lated, affected affected fasteners should be rene!ed d. 6o action action is re8uire re8uired d since the 'oint 'oint has been been pumped pumped !ith !ith a sealant sealant 1. *lass ( piping is described as being being in services a. ith ith the highest highest potential potential of resulting resulting in an an immediate immediate emergen emergency cy if a lea occurs b. &hat are flammable but do not significantly vaporise !hen they lea and are not located in highactivity areas c. that are not flammab flammable le and pose pose no significant significant ris ris to popula populated ted areas areas d. &hat &hat are are not not in in class classes es 1 and and % 15. if an inspector finds threaded small small bore piping -?)P associated !ith machinery and sub'ect to fatigue damage, he should@ a. Plan periodi periodically cally to assess it and conside considerr it for possibl possiblee rene!al rene!al !ith a thicer !all or upgrade it to !elded components b. Inspect it only if it is corroded and the class of service re8uires an inspection c. *all for for dismantlin dismantling g the threaded threaded 'oints 'oints for for close inspection inspection to to determine if any cracs are in the roots of the threads d. $ave all all the threaded threaded piping piping rene!ed rene!ed at each inspection inspection period period 13. After an inspection interval is completed and if calculations indicate indicate that an inaccurate rate of corrosion has been assumed in a piping system, ho! do you determine the corrosion rate for the next inspection period" a. *hec the origina originall calculation calculationss to find find out out !hat the error error is in the the original assumption b. 2nless the corrosion rate is higher, the initial rates shall be used c. &he corrosio corrosion n rate shall shall be ad'ust ad'usted ed to agree agree !ith the actual actual rate found d. If the corrosio corrosion n rate is higher higher that origina originally lly assumed, assumed, call call in a corrosion specialist 17. hen evaluating locally thinned thinned areas, the surface of the !eld includes <<<<<<<< on either either side of the !eld or <<<<<<<<<
1:. Authorisation for alteration !or to a piping system may may be given by the inspector after a. 6otifying 6otifying the the 'urisd 'urisdiction iction and getting getting their their approva approvall b. *onsulting API570 API570 and getting the approval approval of the o!neruser c. *onsultatio *onsultation n !ith !ith and approval approval by a piping piping engineerB engineerB d. iscuss iscussing ing !ith !ith and and conse consent nt by an an exami examiner ner 1;. An inspector finds a crac in the parent metal fa pipe ad'acent to a support lug. &he pipe !as being inspected after a 5 year year run. )efore repairing , he should@ should@ a. 6otify 6otify the the 'urisdi 'urisdicti ction on prior prior to the the start start of any any repair repairss b. rite a detailed procedure for the repair organisations use in repairing the crac c. *onsult *onsult !ith the piping piping enginee engineerr to identify identify and and correct correct the cause of of the crac d. *onsult *onsult !ith a metallurg metallurgist ist prior prior to !riting !riting a procedure procedure to repair repair the the crac %0. hich of the follo!ing is 6C& an item for consideration by an inspector !hen a lea sealing fluid -Dpumping is used for a temporary lea seal repair@ a. *onsider *onsider the the compatib compatibility ility of of the sealant sealant !ith the leaing leaing material material b. *onsider the pumping pressure on the clamp -especially !hen re pumping c. *onsider *onsider the the pressure pressure testing testing of the piping piping in 8uestion 8uestion d. *onsider *onsider the the number number of times times the the seal seal area is repumpe repumped d %1. hen using local P$& P$& as a substitute substitute for (30degree banding on local repairs of P$&Bd piping, !hich of the follo!ing items is 6C& considered a. &he applicat application ion is revie!ed, revie!ed, and and a proced procedure ure is developed developed by by the piping engineer b. &he locally P$&Bd area of the pipe must be #&Bd #&Bd or 2&Bd 2&Bd c. A preheat preheat of (00 (00 degrees degrees 4 or higher higher is maintaine maintained d !hile !hile !elding !elding d. &he P$& P$& is performed performed for code code complianc compliancee and not not for for environmental cracing %%. =aterials used in maing !elding !elding repairs or alterations alterations be of no!n !eldable 8uality@ a. =ay b. ?hall c. ?hould d. *an %(. hy is the inspector of buried process piping -not regulated by C& C& different from other process piping inspection" a. &he insulati insulating ng effect effect of of the soil increase increasess the possibi possibility lity of of more more internal combustion b. Internal corrosion has to be controlled by cathodic protection c. ?ignificant ?ignificant external external deteriorat deterioration ion can can be caused by corrosiv corrosivee soil conditions d. Internal Internal corrosion corrosion must be controll controlled ed by internal internal coating coating
%. *orrosion cells can form on both bare and coated pipe !here bare steel contacts the soil. $o! can these these cells be detected" a. #un an acous acoustic tic emis emissio sion n test test on the the pipi piping ng b. 9isually 9isually survey the route of buried piping c. &he potenti potential al at the area area of corrosio corrosion n !ill be measurable measurable different different than than other areas and a closeinterval potential survey can detect the location of corrosion d. #un an internal internal survey survey of the the piping piping using using a video video camera camera %5. If buried piping is contained contained inside a casing pipe, pipe, the casing should be@ be@ a. *apable *apable of carrying carrying the the same pressure pressure as the produc productt pipe pipe b. *heced to see if its protective coating is intact and serviceable c. Pressur Pressuree tested tested to to mae mae sure sure it is servi serviceab ceable le d. Inspected Inspected to determine determine if !ater and and or soil has has entered entered the the casing casing %3. &he lea test for an : diameter buried piping system is (00 psi. After 7 hours the pressure reacts %7( psi. hat should the inspector do" a. 6othing 6othing is re8uired re8uired.. &he &he loss of of pressure pressure is negligi negligible ble and !ill not not affect the test. &he loss can be disregarded b. &he system should be repressurised to the original lea test pressure and the test should begin again c. &he test test charts charts and the temperat temperature ure should should be be revie!ed revie!ed to to determin determinee if any change in temperature caused the pressure drop. d. &he piping piping should should be visually visually inspected inspected externally externally and or inspected inspected internally to find the lea and assess the extent of corrosion %7. eadlegs eadlegs of a piping system system are@ a. &he upst upstream ream pipi piping ng pf cont control rol valve valve mani manifold foldss b. ?upports attached to a pipeline that has no product in them c. &he upstre upstream am part part of an an orif orifice ice run runss d. ?ectio ?ections ns that that normally normally have have no signif significan icantt flo! %:. hat is an imperf imperfection" ection" a. It is a fla! fla! or discont discontinuity inuity noted during during inspection inspection that may may be sub'ect sub'ect to acceptance criteria b. It is a defect noted during inspection that is unacceptable c. It is a !eld fla! noted noted during during an inspectio inspection n that may be be sub'ect sub'ect to repair d. it is a blemish blemish that is only only cosmetic cosmetic and and acceptable acceptable under all conditio conditions ns %;. hen !elding a small repair patch, the diameter of electrodes used should should not exceed a. 1: 1: b. (13 c. 5(% d. E
(0. A filmside filmside penetrameter penetrameter can be used for a. Inaccessible Inaccessible !elds !elds -unable -unable to hand place a source source penetram penetrameter eter b. All !elds c. All All cas casti ting ng at any any timi timid d d. An altern alternativ ativee to a source source side side !ire pent pentram rameter eter (1. $o! many total li8uid li8uid penetrant techni8ues are listed in A?=+ 9" a. b. 3 c. % d. 1 (%. A !elded !elded part is to be radiographed and is 1 thic, !ith 1: reinforcement. reinforcement. hat A?&= !ire set IFI should be used on these radiographs if a source side techni8ue is used@ a. ?et A b. ?et ) c. ?et * d. ?et ((. hat materials re8uire the use of tested and certified li8uid penetrants as to the contaminants in the penetrant" a. 6icel all alloys b. Austenitic stainless steel alloys c. 4erriti 4erritic c martens martensific ific stainle stainless ss steel steel d. )oth )oth a and and b abo above ve (. hat designation is used to indicate the penetrameter is on the film side" a. An4 b. An D+ c. A D d. An D4? (5. hat is the difference bet!een an inspection and an examination examination per ?ection 9 of the A?=+ *ode" a. Insp Inspec ecti tion on perfo perform rmed ed AI b. +xamination performed by manufacturerBs manufacturerBs personnel> c. &here &here is no diff differe erence nce bet! bet!een een the t!o t!o d. )oth )oth a and and b abo above ve (3. &he IFI may be be of !hat t!o types" types"
(7. $o! should !elded butt 'oints be prepared for radiograph" (:. 2nder A?=+ A?=+ *ode section 9 !hat upper and lo!er density limits are acceptable for vie!ing if the density through the body of the penetrameter is %.7" Assume single film vie!ing
(;. hat is a densitometer densitometer used to determine" determine" 0. hat length of indication is re8uired to demonstrate demonstrate that a visual examination procedure is ade8uate per A?=+ A?=+ 9" 1. An item is designed for 3%5 psig. &he &he item !ill be tested at 1.5 x esign pressure. hat should the absolute minimum minimum gauge range be on a test of this pressure, per AG= + 9 Appendix Appendix 10" a. 0101% psig sig b. 0151: psig c. 0%0%5 psig sig d. 0050 psi psig g %. &he standard finish for raised face flanges flanges per A?=+ A?=+ ) 13.5 is@ a. %50 %50 -= -= to 500 500 -= -= in inch ch b. 1%5 -= to %50 -= inch c. %30 %30 -= -= to 500 500 -= -= in inch ch d. %50 %50 -= -= to 500 500 -= -= inc inch h (. &he three basic parts parts to a flanged 'oint 'oint are a. 4lan 4lange ges, s, !eld !elds, s, gas gaset etss b. 4langes, bolts, nuts c. 4lan 4lange ges, s, bolt bolts, s, gas gaset etss d. 4lan 4lange ges, s, gas gase ets, ts, thr thread eadss . the minimum duration for hydrotesting on 6P? 1% fitting shall be a. % min b. 1 min c. ( min d. no re8uir re8uireme ements nts to test fittin fittings gs 5. &he intent of A?=+ A?=+ ) (1.( is to set forth engineering re8uirements re8uirements deemed necessary for and of piping installations a. ?tru ?truct ctur ural al desig design, n, fabri fabrica cati tion on b. ?afe design, construction c. Ade8ua Ade8uate te fabrica fabricatio tion, n, execut execution ion d. Perman Permanent ent existen existence, ce, longev longevity ity 3. A?=+ ) (1.( applies to piping piping for all fluids except for !hich of the belo!" a. &ubes &ubes of of fired fired heaters, heaters, plum plumbin bing g and storm storm se!er se!erss b. #a!, intermediate and finished chemicals c. Petroleum Petroleum products, products, fluidised fluidised solids solids and and refrigerants refrigerants d. Has. Has. ?tea ?team, m, air air and and !at !ater er 7. A pipe pipe produced by piercing a billet follo!ed by rolling rolling or dra!ing or both is a. +lec +lectri tricc fusio fusion n !eld !elded ed pip pipee b. ?piral !elded pipe c. ?eamless pipe d. +# pipe
:. &he pressure in a piping piping system that is the pressure at the most severe condition of coincident internal or external pressure and temperature -minimum or maximum expected during service -except for allo!ances for occasional variations of pressure or temperature, or both, above operating levels !hich are characteristics of certain services is no!n as @ a. +xcu +xcurs rsio ion n pre press ssur uree b. &est &est pressure c. esi esig gn pre press ssu ure d. Abso Absolu lute te pres pressu sure re ;. In spot radiography of circumferential butt !elds, it is recommended recommended that not less than one shot for each !elds for each !elder operator be completed. a. 5 b. 10 c. %0 d. (0 50. ?evere cyclic cyclic conditions conditions re8uire the use of a. ?lip ?lip on on fla flang nges es b. e elding lding ec flanges c. ?oc ?ocet et !eld !eld flan flange gess d. /ap /ap 'oi 'oint nt flan flange gess 51. here flanges of different ratings are bolted bolted together a. &he rating rating of the 'oint 'oint shall shall not exceed that of the higher higher rated rated flange flange b. &hey are not acceptable and one flange shall be changed !here they both match. c. &he rating rating of the 'oint 'oint shall shall not exceed that of the lo!er lo!er rated rated flange flange d. &he bolt bolt diameter diameter must must be 1: 1: less than than that that re8uired re8uired for for the lo!er lo!er rated flange 5%. hat is acceptable as an alternate heat treatment for )(1.( piping a. ?ynth ?ynthesiJ esiJing ing,, forgi forging ng or or standar standardiJ diJing ing b. Preheating, peening or case hardening c. ?tress ?tress reli relievi eving, ng, temper tempering ing or peen peening ing d. 6ormaliJing 6ormaliJing normaliJin normaliJing g and tempering tempering or annealing annealing 5(. &he extent of radiography !hen considering longitudinal longitudinal !elds, the minimum minimum re8uirement is inches of !eld length a. 1% b. ; c. 3 d. 5. &he purpose of the the P? and PF# is to determine that a. &he &he !eld !elder er is 8ual 8ualif ifie ied d b. &he base metals are strong enough c. &he !eldm !eldment ent has has the the desire desired d prope properti rties es d. &he &he si sill ll of the the !el !elde der r
55. *harpy 9notch 9notch tests are performed to determine a !eldmentBs !eldmentBs a. &ensil nsilee stre streng ngth th b. uctility c. 6otc 6otch h toug toughn hnes esss d. All All of of th the ab above ove 53. 4or the ?=A process <<<<<<<<<<<<<<< <<<<<<<<<<<<<<< is an essential variable for the P?. a. Hroo Hroove ve desig esigh h b. Post !eld heat treatment c. #oot sp spaci acing d. =eth =ethod od of clea cleani ning ng 57. e elder lder performance 8ualification records must describe all the variables specified a. +ssen +ssenti tial al and and non nones essen senti tial al b. 6onessential c. +ssential d. )raJing 5:. A !elder !elder 8ualifying by !elding P6o. %1 to P6o.%1 is 8ualified to !eld@ a. P1 P1P P1 11 to P1 P1P P11 11 b. P: KP: c. P%1 P%1 K P% P%5 5 to to P% P%1 1 K P%5 P%5 d. P%1 P%1 to to p%1 p%1 only nly 5;. =ay a !elder !ho 8ualified using a doublegroove doublegroove !eld, mae a single 9 9 groove !eld !ithout bacing" a. Les b. 6o c. 6ot enough enough inform informati ation on provid provided ed d. Les, Les, because because bacing bacing is not an essential essential variable variable for a !elder !elder 30. hat A?=+ A?=+ *ode ?ection has !elding electrode storage re8uirements" a. A?=+ IG b. A?=+ 9III c. A?=+ )(1.1 d. A?=+ II II pa part * 31. hat are the primary primary classifications of 8uidedbend 8uidedbend tests permitted by the code" a. ?ide ?ide and and tra trans nsve vers rsee b. 4ace and root c. &rans &ransver verse se and longit longitudi udinal nal>> d. ?ide an and fa face
3%. &he test that determines the ultimate strength of groove!eld 'oints is a a. 6otc 6otch h toug toughn hnes esss test test b. &ension &ension test c. 4ill 4illet et !eld !eld test test d. Huid Huided ed bend bend test test 3(. A nonessential variable may be changes !ithout re8ualification because@ a. 6obody 6obody cares cares about about none nonessen ssentia tiall variabl variables es b. &he !elder is allo!ed to change variables at his discretion c. 6onessential 6onessential variables variables do do not not affect affect the the mechani mechanical cal or notch notch toughness properties d. 6onessential 6onessential variables variables cannot cannot be be changes changes !ithou !ithoutt re8ualifica re8ualification tion 3. 9ariable 9ariable F 0%. for ?=A procedure 8ualification is a variable a. +ssential b. 6onessential c. ?upp ?upplem lemen ental tal essen essenti tial al d. 6one 6one of the the abo above ve 35. hat is the maximum defect permitted on the convex surface of a !elder 8ualification bend test after bending except for corner cracs and corrosion resistant !eld overlay" a. E inch b. 1: inch c. 113 inch d. (13 inch e. 6o defe defect ctss are are all allo! o!ed ed 33. A !elder !elder 8ualified for ?=A using an +701: electrode is also 8ualified to !eld !ith a. +7015 b. +3011 ( c. +3010 ( d. + 70% 1 e. All All of of th the ab above ove 37. 2nder !hich of the the follo!ing conditions can a !elder be 8ualified during production !or" a. A 3 length length of the first first productio production n groove groove !eld may be 8ualified 8ualified by radiography b. A bend bend test coupon may be cut from the first 1% length of of !eld c. A macro examin examination ation may may be taen taen from the first first ( D of of !eld length length d. 6one 6one of the the abo above ve 3:. hich of follo!ing !elding !elding processes are currently 6C& permitted to be used !ith ?Ps as referenced re ferenced in Appendix + of A?=+ IG" a. H=A b. ?A c. PA d. All All of of th the ab above ove
3;. A ?eamless 6P? 1%, A103 A103 Hrade A pipe operators at (00 degrees 4 and ;1 psi. &he allo!able stress is 13000 psi. 2sing the the )arlo! +8uation, determine the thicness re8uired for these conditions a. 0.(75 b. 0.750 c. 0.(5( d. 0.703 70. hich of the items listed belo! belo! !ould 6C& normally be contained in inspection records of piping" a. Criginal Criginal date of installati installation, on, the the specificat specifications ions and and strength strength levels of the materials used. b. Criginal vessel hydrotest pressures and conditions that the tests !ere performed under c. Criginal Criginal thicness thicness measurements measurements and the the location locationss an d dates of of all subse8uent readings d. *alcul *alculated ated retirem retirement ent thicn thicnesse essess 71. Lou Lou are !oring as an inspector. inspector. hile revie!ing a tabulation of thicness thicness data on a section of piping, you find the letter D*mared under a column headed by the !ord =+&$C. hat does the D* indicate" a. &he insp inspecti ection on tempe temperatu rature re of the the pipe pipe !as *C/ *C/ b. &he thicness measurement !as made by an inspector !ith the I.. C4 D* c. &he thic thicnes nesss measure measuremen mentt !as taen taen !ith !ith callip callipers ers d. &he thicne thicness ss measurement measurement !as *C64I# *C64I#=+ =+ by by a second second party 7%. hich of the follo!ing is not a consideration !hen !hen using a soil bar" bar" a. 2sing 2sing a sta stand ndar ard d pro prod d bar bar b. Avoiding Avoiding the addition of !ater c. Apply Applying ing press pressure ure on on the soil soil bar bar after in'e in'ecti ction on d. 6one 6one of the the abo above ve 7(. PoissionBs ratio may be taen as as at all temperatures for all metals a. 0.(0 b. 0.(1 c. 0.(% d. 0.(( 7. ?top valves are allo!ed on the inlet and outlet side of a pressurerelieving device provided a. &he valv valves es are app approv roved ed by the 'uri 'urisdi sdicti ction on b. &hey are approved by the inspector c. &hey can can be loced loced or or sealed in both both the open and and closed closed position position d. &he valves valves are non nonrisi rising ng stem stem valves valves
75. &he Jone for for preheat preheat shall extend extend a. At least least M bey beyond ond each edge edge of the !eld !eld b. At least 1 beyond each edge of the !eld c. Cver Cver only only the the !el !eld d itse itself lf d. At a minimu minimum m % D each side side of the !eld !eld 73. hat is the minimum time that a lea test must be be maintained -all 'oints and connections shall be examined for leas" a. 30 mts b. 5 mts c. (0 mts d. 10 mts 77. If a pneumatic lea test is used, the test pressure shall be N of design pressure a. 50 b. 150 c. 1%5 d. 110 7:. ouble !elded slipon flanges should be bet!een the !elds for fluid services that re8uire lea testing of the inner fillet !eld, or !hen fluid handled can diffuse into the enclosed space, resulting in possible failure. a. ?anded b. O=achined c. ?cored d. 9ented 7;. If you expose copper and copper alloys alloys to ammonia, !hat !ould this possibly cause" a. +mbrit brittl tlem emen entt b. ?tress corrosion cracing c. hydr hydro ogen gen atta attac c d. ?ulp ?ulph hidat idatio ion n :0. 4or !hat service is cast iron piping piping normally used a. 6on haJard haJardous ous service, service, such such as lube lube oils oils b. 6on haJardous service such as !ater c. *orro *orrosiv sivee servi service ce,, such such as acid acidss d. 6on corrosive corrosive service, service, such as lo! lo! temperature temperature caustic :1. hat type of gate valve should not be be used as bloc valves valves associated !ith pressure relief devices" a. ?lui ?luice ce gate gate valv valves es b. e eir ir gate valve c. )ord )ordaa tube tube gat gatee valv valves es d. #edu #educe ced d port port gat gatee valv valves es
:%. hat type of pipe 'oint is generally limited to piping in noncritical noncritical service and has a nominal siJe of % inches or smaller" a. 4lan 4lang ged 'oin 'ointt b. &hreaded 'oint c. ?oc ?ocet et! !el eld d 'oin 'ointt d. )utt )utt! !el elde ded d 'oi 'oint nt :(. &he primary purpose purpose of piping piping inspection is to a. ?atisfy the re8uirement re8uirementss of 'urisdiction 'urisdictional al regulat regulations ions b. Achieve ate the lo!est cost, piping that is reliable and has the desired 8uality c. +nsure +nsure plant plant safety and reliabil reliability ity also also achieve achieve desired desired 8uality 8uality assurance d. Produce Produce a piping piping system system that meets meets minimum minimum design design and and serviceabi serviceability lity re8uirements :. An inspector is checing a piping system that has has had problems !ith isolated corrosion at or near the !elds of piping shoes. ithout ithout no!ing !hat product is in the line, !hat !ould be the best ans!er belo! for the problem" a. &he shoe shoess are at high high stress stress poin points ts and thus thus leas leas occu occur r b. &he !elds of the shoes to the pipe !ere too large c. &he !elds !elds of the the shoes shoes to the the pipe burned burned nearly through through the the pipe d. &he shoes shoes are acting acting as as cooling cooling fins fins and causing causing localiJed localiJed temperatur temperaturee differences. :5. /eas in utility piping -!ater, steam etc. are a. Cnly Cnly of mino minorr concern concern and and may may be disre disregar garded ded b. Al!ays dangerous but losses are neglisible c. ?eldom ?eldom haJar haJardou douss but they they do do result result in in lossess lossess d. 2sually 2sually haJard haJardous ous and losses losses resu result lt :3. An insulated pipe sho!s sho!s evidence of defects in the 'aceting 'aceting covering the insulation. Lou suspect that !ater may be getting in through the defects. hat you !ould do" a. ?trip the the pipe pipe line complet completee to allo! allo! 100N 100N inspection inspection and and rene!al rene!al of the insulation b. If no discoloration is present to indicate corrosion-rust, no action is re8uired c. ?trip enoug enough h insulation insulation to determine determine the the extent extent and severity severity of possibl possiblee corrosion d. ?trip at at least 50N 50N of the insulatio insulation n from the pipe pipe to allo! allo! examinat examination. ion. :7. An increase in pump pressure pressure at the pump accompanied accompanied by a decrease in flo! in a pipe line do!nstream is an indication of <<<<<< a. /eaage b. A broen broen line c. +ffluence d. 4ouling
::. Points of probable external corrosion of underground underground piping can be located by a series of measurements of the a. +lectrical +lectrical resistance resistance of of surroundin surrounding g soil soil or by by measurem measurement ent of pipeto pipeto soil electrical potential b. a attage ttage of the surrounding piping or by measurement of pipe tp conduit electrical resistance c. Potential Potential of the the cathodic cathodic protecti protection on or by by !attage !attage of the the pipe pipe to soil soil electrical resistance d. 9oltamps ltamps readings readings of the surroundin surrounding g soil or by measurem measurement ent of pipe to pipe electrical potential :;. &he locations on piping most susceptible to cracing are a. *han *hange gess of dir direc ecti tion onss b. e elds lds c. ?traight run runs d. 4lange bo bolts ;0. hich of the follo!ing piping should should 6C& be hammer tested a. Pipe Pipe made made form steel steel on a fluid fluid cataly catalytic tic cracin cracing g unit unit b. ?teel pipe and lines off a crude to!er on a crude still c. *ast iron iron and and stress stress relieved relieved lines lines in caustic caustic and corrosive corrosive service service d. A?&= A103 A103 Hrade Hrade A pipe on on a catalytic catalytic #eformi #eforming ng 2nit 2nit
