All Questions Are Closed Book Note : Some questions in this section are true/false or essay type questions, instead f multiple choice. Historically, it has een sho!n that test questions on AS"# $ in%ol%es a &ood deal of theory that cannot adequately e e'plores throu&h multiple choice questions (althou&h multiple choice questions only !ill e on the test.) *. A filmsid filmsidee penetr penetrame ameter ter can can e used used for for : a. . c. d.
inaccessile inaccessile !elds (unale (unale to hand place a source source penetram penetrameter) eter) all !elds all all cast castin in&s &s at at any any tim timee an altern alternati ati%e %e to a source source+sde +sde !ire !ire pentr pentrame ameter ter
. A dark dark ima&e ima&e of the the -B- on on a li&hter li&hter ack& ack&rou round nd is : a. . c. d.
Acceptale eectale Some Someti time mess reec reecta tal lee None None of the the ao ao%e %e
0. 1ne of the the procedural procedural requireme requirements nts for conduct conductin& in& 23 is to address address the processin processin& & details for : a. . c. d.
2ost 2ost+e' +e'am amin inat atio ion n clea cleani nin& n& 2re+e'amination cleanin& Appl Apply y the the pene penetr tran antt All All of of th the ao ao%e %e
4. Non+aqueou Non+aqueouss de%elope de%eloperr may e applied applied to a !et surface. surface. 3rue
or
5alse (circle one)
6. 3he accuracy accuracy of a piece piece of ma&neti7i ma&neti7in& n& equipmen equipmentt that is equipped equipped !ith !ith an ammeter ammeter shall e %erified : a. . c. d.
#ach year #ach t!o years 8hen po possi ssile #%ery %ery 9 mo month nths
9. 8hen usin& usin& fluoresce fluorescent nt particles, particles, the e'aminer e'aminer shall shall e in a darkene darkened d area for at least least minutes minutes prior to performin& the e'amination. a. . c. d.
; *< = *
;. A !ire >Q> shall shall e placed placed adacent adacent to the the !eld, !ith !ith the !ires !ires parallel parallel to the !eld. !eld.
3rue
of
5alse (c (circle one)
?. A field field indicator indicator is composed composed of lo! lo! caron caron steel steel pie sections, sections, furnace furnace ra7ed toðer. a. . 9 c. *< d. ? =. 3he type type and ampera&e ampera&e of ma&neti ma&neti7in& 7in& current current must must e identified identified on the !ritten !ritten "3 procedure. 3rue
of
5alse alse (cir (circl clee one) ne)
*<. Certification of contaminants shall e otained otained for all 23 materials used on : a. Car aron st steels els . 5erritic stainless steels c. Auste Austeni niti ticc stai stainl nless ess steel steelss d. None None of the the ao ao%e %e **. Black li&ht intensity shall e measured !ith a !hen conductin& conductin& fluorescent 23. a. @ark @ark room room meter eter . 2hoto+meter c. Black lack li& li&ht meter eter d. None None of the the ao ao%e %e *. 8hen should a densitometer e calirated as a minimum minimum a. Annually . #%ery =< days c. 8hen 8hene% e%er er it is turn turned ed on d. As req requi uired red y the the #'a #'ami mine ner r *0. 3he location markers required y AS"# AS"# $ are required to appear appear as radio&raphic ima&es. 3rue or 5alse (circle one) *4. @.C.yokers may e used for detectin& susurface discontinuities, discontinuities, per AS"# $ 3rue or 5alse (circle one) *6. 8hen coatin&s are applied to enhance contrast, the procedure must e demonstrated demonstrated that indications can e detected throu&h the coatin&. 3rue or 5alse (circle one) *9. Ho! many total liquid penetrant techniques are listed in AS"# $ a. 4 . 9 c. d. *
*;. 2rior to e'aminations, each adacent surface shall e cleaned !ithin at least - of the area to e e'amined. a. * . *.6 c. d. 0 *?. 8ater !ashale penetrant shall e remo%ed !ith a !ater spray not e'ceedin& 9< psi and *<<<5. 3rue
or
5alse
(circle one)
*=. 3he ma'imum emulsification time shall e : a. 6 minutes . *< minutes c. *6 minutes d. none of the ao%e <. @ensitometers shall e calirated y %erification !ith a calirated: a. @ensitometer . Step 8ed&e Comparison Strip c. i&ht "eter d. 3ransmission monitor *. 8hen usin& a hydrophillic emulsifier %ersus a lipophilic emulsifier and intermediate step that must e taken is : a. pre+floodin& !ith emulisifier . pre+cleanin& !ith sol%ent c. pre+rinsin& !ith !ater d. pre+!ashin& !ith deter&ent . A !elded part is to e radio&raphed and is *- thick, !ith */?- reinforcement. 8hat AS3" !ire set >Q> should e used on these radio&raphs if a source side technique is used : a. Set A . Set B c. Set C d. Set @ 0. 8hen a 23 test cannot e conducted et!een 6<<+*6<5, !hat must e done, per AS"# $ a. 3he procedure must e qualified. . 3he surface must e re+cleaned c. 3he test cannot e conducted d. None of the ao%e 4. 3he sulphue content of a penetrant is measured to e less than <.<<6&. 3his material is acceptale for use on : a. Nickel+ase alloys . Caron steel
c. ferritic steel d. All of the ao%e 6. All indications are to e e%aluated in accordance !ith : a. AS"# $>>> . AS"# $ c. 3he referencin& Code section d. 3he !ritten procedure 9. 3he scope of the AS"# Boiler and 2ressure $essel, Code, Section $ includes: a. N@# acceptance crtieria . Ho! to perform N@# to achie%e a desired result c. 8here to do N@# ( i.e. !hat !elds to e'amine ) d. 8ho can e the Authorised inspector. ;. 3 equipment is calirated a. Before heat+treatment . A5ter completin& the e'amination c. 2rior to %isual e'amination d. 2rior to 23 e'amination ?. 8hat finished surface is required of utt !elds for 23 e'amination a. Smooth surface prepared y &rindin& . Cosmetically clean acid etched surface c. A near !hite last surface d. None of the ao%e =. A penetrameter is used on a @8#/@8$. 3he penetrameter selection is ased on: a. 3he sin&le !all thickness and !eld reinforcement . Both !all thicknesses c. 3he sin&le !all thickness for Sch ?< pipe d. None of the ao%e 0<. A suitale means for applyin& penetrant. a. @ippin& . Brushin& c. Sprayin& d. Any or all of the ao%e 0*. 8hat materials require the use of tested and certified liquid penetrants as to the contaminants in the penetrant a. Nickel alloys . Austenitic stainless steel alloys c. 5erritic / martensific stainless steel d. Both a and , ao%e
0. Ho! shall indications e e%aluated, i.e. acceptance standards for 3 a. 3o AS"# $ . 3o AS"# $>>> c. 3o B0*.0 d. 3o the referencin& Code section 00. 3hickness readin&s may e displayed on a. S3 . 23 c. C3 d. Strip chart recorder 04. Ho! many copies of a procedure must e a%ailale to the "anufacturers N@# 2ersonnel a. * . c. 0 d. 4 06. Ho! shall Non+destruti%e #'amination 2ersonnel e qualified a. 3o SN3+3C *A . 3o C2+*?= c. 3o referencin& code requirements d. 3o ACC2 rules 09. 8hich a. . c. d.
N@# methods are considered -surface- methods 23 3 "3 Both A D C ao%e
0;. 8hat desi&nation is used to indicate the penetrameter is on the film side a. An -5 . An - #c. A - @d. An -5S0?. 8hat is a shim used for a. 3 field adquacy . 3 field direction c. "3 field stren&th and direction d. "3 field current applications 0=. 8hy must the surface e closely oser%ed durin& the application of the 23 de%eloper a. 3o ensure proper coatin& application . 3o ensure e'cess penetrant remo%al c. 3o allo! proper characteri7ation of discontinuties d. 3o see the -&roo%y- lines form
4<. 1ne of the fi%e ma&netisation techniques is a. ound . Circular c. Shear!a%e d. Hall+effect 3an&ential+field 4*. A true 3 indication is one !hich e'ceeds: a. c. A coalt source is used d. Both a and , ao%e 46. 8hat is the difference et!een an inspection and an e'amination per Section $ of the AS"# Code a. >nspection performed A> . #'amination performed y manufacturerGs personnel c. 3here is no difference et!een the t!o d. Both a and , ao%e 49. eometric un+sharpness is determined y : a. I 5d/@ . I2@/d c. Ifd/d d. Ift/d 4;. 3 3hickness %elocities are usually otained from : a. 3imGs Handy $elocity Book . Similar materials c. Similar product forms d. Both B D C , ao%e 4?. Name one typical discontinuity detectale y the liquid penetrant method a. >.2. on an N2S &irth !eld . >.5. at the root of an N2S &irth !eld
c. HAJ surface cracks on a N2S &irth !eld d. Sla& inclusions on a N2S ? lon&itudinal !eld 4=. 8hat is to done to e'cess penetrant remainin& on the surface after the specified penetration time thas elapsed a. >t must e remo%ed . >t can remain on the part c. >t must e de%eloped d. >t must e remo%ed !ith !ater only 6<. 8hat must e done to ensure *<
6*. 8hen surface irre&ularities may mask indications of unacceptale discontinuties, !hat is required
6. ist the type of discontinuties ma&netic particle e'amination is effecti%e in detectin&.
60. 8hat are the si' penetrant techniques to e used
64. 8hat are the appro%ed methods of indicatin& 3 thickness measurements
66. Ho! is the -quality- of a radio&raph e%aluated
69. 8here are 3 location markers placed, on the part or on the radio&raph
6;. 3he >Q> may e of !hat t!o types
6?. 8hat is the critical hole in a hole type >Q> 6=. 8hat identify must also e included in the 3 caliration records 9<. 3he >Q> is normally placed on !hich side of a part 9*. A 43 hole on a < >Q> has a diameterof : 9. ist 4 types of lemishes not permitted on film. 90. 8hen is a !ritten radio&raphic procedure required y AS"# $ 94. 8hen should the de%eloper e applied
96. 8hat type of discontinuity is the ma&netic particle method most sensiti%e to 99. 8hat is the e'amination medium !hen usin& "3 8hat is the proin& medium !hen usin& "3 9;. 8hen must ultrasonic equipment e calirated 9?. Ho! many >Qis should appear on each radio&raph, e'cept for panoramic techniques 9=. are intensifyin& screens permitted for radio&raphy per AS"# $ ;<. 8hat t!o radio&raphic techniques are noted as a%ailale for e'aminations ;*. Ho! can compliance !ith a !ritten radio&raphic procedure e demonstrated ;. ist the type of discontinuity liquid penetrant e'amination is effecti%e in detectin&. ;0. 8hat must e done !hen a penetrant is to e applied on parts eyond 6<+*6 <5 ;4. 3he liftin& po!er of yokes must e checked !hen ;6. Ho! should !elded utt+oints e prepared for radio&raph ;9. Steel &reater than -thick should e radio&raphed !ith a coalt source. a. 3rue . 5alse ;;. >n ma&netic particle e'amination of a !elded oint usin& yokes, is alternatin& current or direct current allo!ed ;?. 8hat method of ltrasonic e'amination of the !elds is permitted y the Code ;=. Name three different methods of conductin&- $isual #'aminations - ($3) ?<. 5rom !hat type of material should shims e faricated !hen they are to e used to radio&raph !elds in pressure retainin& items ?*. A is a de%ice used to determine the ima&e quality of radio&raph a. . c. d. e.
A step !ed&e comparison film A densitometer An >Q> All of the ao%e None of the ao%e
?. >n accordance !ith Section $, !rite F type penetrameters : a. Can al!ays e used
. Can e used unless restricted y the referencin& Code c. Can ne%er e used d. Can e used only !ith 3ype * film ?0. A. 8hat is menat y -non Fdestructi%e e'amination - of a !elded oint
B. Name four methods of non+destructi%e e'amination.
?4. >n a radio&raphic film of a !eld, ho! are the follo!in& characteristics measured or ud&ed a. 5ilm sensiti%ity or quality . 5ilm density ?6. 8hat is radio&raphy ?9. 8hat is the minimum and ma'imum allo!ale density throu&h the ima&e of the penetrameter for radio&raphs made !ith : a. A <<< k$ tue
. Coalt 9< ( Co9<)
?;. A sin&le film tehnique !as used to make a radio&raph usin& a Coalt+9< source. 3he minimum permitted density inthe area of interest is : a. 4.< . *.? c. .< d. *.0 e. None of the ao%e ??. nder AS"# Code Section $, !hat upper and lo!er density limits are acceptale for %ie!in& if the density throu&h the ody of the penetrameter is .; Assume sin&le film %ie!in&. ?=. As a radio&rapher is remo%in& cassettes ( film holders ) from a !eld seam that has ust een radio&raphed, you notice that there is nothin& attached to the ack of the cassettes. 8ould these radio&raphs e acceptale #'plain your ans!er. =<. 8hat is the minimum numer of >Q> required for the follo!in& : a. A complete &irth seam containin& 0< radio&raphs shot !ith a sin&le e'posure
. 3!el%e radio&raphs on a lon&itudinal seam shot from the outside !ith a sin&le e'posure =*. A radio&raph is made usin& an K+ray source, and t!o films in each film holder. >f the film is to e %ie!ed separately the minimum permitted density !ould e : a. 4.< . *.? c. .< d. *.0 e. None of the ao%e =. A !eld !ith a nominal thickness of *.6 inch is to e radio&raphed usin& a film side penetrameter. 3he penetrameter desi&nation should e : ( Note : 3his is an open ook question ) a. 6 . 0< c. 06 d. Both a and are acceptale =0. A) 8hat are hole F type penetrameters and !hat are they used for B) 8hat are !ire penetrameters and !hat are they used for =4. >n radio&raphin& a utt !elded oint of *- thickness, on !hat side of the !eld is the penetrameter normally placed
=6. 8hat type of fla!s may e detected y : A) iquid 2enetrant testin& B)
"a&netic 2article testin&
C)
adio&raphic e'amination
@)
ltrasonic e'amination
=9. 8hat is a densitometer used to determine =;. A) 8hat is the purpose of shims !hen performin& radio&raphy
B) 8here are they placed
C) 8hat kind of material may they e made from
=?. @escrie ho! the follo!in& surfaces should e prepared for ltrasonic e'amination :
A) Contact surfaces
B) 8eld surfaces
C) Base material
==. 8hy are lead intensifyin& screens used in the K+ray e'amination process
*<<. Name t!o radiation sources permitted for radio&raphic e'amination in AS"# Boiler and 2ressure $essel Code.
*<*. 8hen re%ie!in& a radio&raph, a dark ima&e of the letter B can e seen onthe film. @oes this indicate an unacceptale radio&raph *<. @escrie ho! liquid penetrant e'amination should e performed in order to detect discontinuties that are open to the surface, per Article 9 of AS"# Code section $. *<0.
A) >f >Q>s are not placed on the source side, !hat rules apply B) 5or materials ein& radio&raphed other than !elds, !here are the >Q>s placed
*<4. >f the density throu&h the >Q> is .6<, !hat !ould the ma'imum allo!ale density and minimum allo!ale density e throu&h the !eld represented y this un+ shimmed >Q>
*<6. 1na set of cassettes containin& film for a seam ust radio&raphed you notice the lead location markers ( i.e. *+, +0 etc) are taped to the cassettes. 8ould these radio&raphs e acceptale
*<9. 8hat len&th of indication is required to demonstrate that a %isual e'amination procedure is adequate per AS"# $ a. */0 . */*9c. 0/0d. None of the ao%e
*<;. 2ersonnel performin& %isual e'aminations to AS"# $ must ha%e acuity to !hich of the follo!in& standards, if any a. Lae&er 3ype F . Lae&er 3ype F* c. #qui%alent to Lae&er 3ype F * d. #ither or c, ao%e *
Ans!er Mey *.a .a 0.d 4.5alse 6. a 9.0 ;.5alse ?.d =.3rue *<.c **.c *. *0.3rue *4.5alse *6.3rue *9. *;.a *?.5alse *=.d <. *.c . 0.a 4.d 6.c 9. ;. ?.d =.a 0<.d 0*.d 0.d 00.c 04.a 06.c 09.d 0;.a 0?.c 0=.c 4<. 4*.a 4.d 40.c 44.d 46.d 49.a 4;.d 4?.c
4=.a 6<. All e'aminations must o%erlap to ensure *<ndirect or (remote %isual e'amination ) c) 3ranslucent ?<. A shim shall e faricated of radio&raphically similar material to the oect to e inspected.
?*. c ?. a ?0. a) An e'amination of a !elded oint that !ill disclose surface and su+surface discontinuties !ithout physical harm to the !elded oint. Such e'aminations can e conducted y radio&raphy, ultrasonics, liquid penetrant or ma&netic particle testin&. ) + adio&raphic #'amination + ltrasonic #'amination + "a&netic 2article #'amination + iquid 2enetrant #'amination ?4. a) >Q> ) @ensitometers or step+!ed&e comparison films. ?6. A radio&raph is a shado! picture produced y the passa&e of K+rays or &amma F rays throu&h an oect onto a film. 8hen the rays pass throu&h the oect, part of the radiation penetrates the material and part is asored. 3he amount of radiation asored and the amount that penetrates are a function of the thickness of the material. 8here a %oid or discontinuity e'ists, there is essentially less material to asor the radiation. 3herefore, more radiation !ill pass throu&h this section and a dark spot correspondin& to the proected position of the %oid !ill appear on the film. ?9. a) *.? + 4.< ( for any K+ray source ) ) .< F 4.< ( for any &amma source) ?;. e+3he correct ans!er is F*6E from the transmitted density throu&h the ody of the penetrameter ??.+*6E I .=6 O0f a li&ht ima&e of the -B- appears on a darker ack&round of the radio&raph, protection from ackscatter is insufficient and the radio&raph shall e considered unacceptale. A dark ima&e on a li&hter ack&round is not cause for reection. =<. a) equires at least 0 >Q>s spaced *< < apart. ) equiresat least * >Q>, one on each film. =*. =. a =0. a) An >Q> is a small strip of material, faricated of radio&raphically similar material to the oect ein& inspected, and ha%in& a thickness of appro'imately E of the oect ein& radio&raphed. 3he >Q> has three holes in it. 3he si7es of these holes are *3, 3 and 43 !here -3- is the thickness of the >Q>. 3he 3 is desi&nated as the essential hole, i.e.the hole !hose ima&e must appear on the radio&raph. >Q> thickness and essential hole si7e requirements are listed in tales in Section $ of the AS"# Code. 3he >Q> is identified !ith a numer made of lead that is attached to the >Q>. 3his numer indicates the thickness of the >Q> in thousandths of an inch. An >Q> is used for e%aluatin& radio&raphic technique in that it ser%es as an ima&e quality indicator, proper technique should display the >Q> ima&e and the specified hole. ) 8ire type >Q> use thin !ires to ascertain sensiti%ity instead of holes. 3he aility to see the !ire required y the Code indicates a quality radio&raph.
=4. 3he >Q> should e placed the source side of the material ein& radio&raphed. Ho!e%er, !here inaccessiility pre%ents this, the >Q> may e placed on the film side of the material ein& radio&raphed pro%ided a lead letter -5- at least as hi&h as the identification numer is placed adacent to the >Q>. =6. a) Surface discontinuties ) Surface and sli&ht su+surface discontinuties c) Surface and su+surface discontinuties d) Surface and su+surface discontinuties =9. A densitometer ( or step !ed&e comparison film ) shall e used for ud&in& film density requirements. 5ilm density is a measure of o%erall darkenin& of the radio&raph, !hich is directly related to the sensiti%ity, definition, and o%erall quality of the technique. =;. a) Shirms may e used !hen necessary to produce a radio&raph in !hich the radio&raphic density throu&hout the area of interest is no more than minus *6E from ( li&hter than ) the radio&raphic density throu&h the >Q>. =?. a) 3he finished contact surface shall e free from !eld splatter and any rou&hness that !ould interfere !ith free mo%ment of this search unit or impair the transmission of ultrasonic %irations. ) 3he !eld surfaces shall e finished so they cannot mask or e confused !ith reflections from defects, and should mer&e smoothly into the surfaces of the adacent ase materials. c) 3he %olume of ase material throu&h !hich the sound !ill tra%el in an&le eam e'amination shall e completely scanned !ith a strai&ht eam search unit to detect reflectors !hich mi&ht affect interpretation of an&le eam results. ==. ead foil intensifyin& screens used in the K+ray e'amination may e placed directly in front of the film. 3he screen pro%ides an intensifyin& action and , in addition, the ack one acts as a filter y preferentially asorin& ackscattered radiation from the specimen thus impro%in& ima&e quality. *<<.3he t!o common radio&raphic sources in industrial use today are K+ray machines and artificially produced radioacti%e isotopes of certain metallic elements. *<*.No. *<. 3he part is first thorou&hly cleaned of oil, dirt, etc, then a liquid penetrant is applied to the surface to e e'amined and allo!ed to enter the discontinuties. All e'cess penetrant is then remo%ed, the part is dried, and a de%eloper is applied. 3he de%eloper functions oth as a lotter to asor penetrant that has een trapped in discontinuties and as a contrastin& ack&round to entance the %isiility of penetrant indications. 3he dyes in penetrants are either color contrast ( %isile under !hite li&ht ) or fluorescent ( %isile under ultra%iolet li&ht ). *<0. a) 3he penetrameter should e placed on the source side of the material ein& radio&raphed. Ho!e%er, !here inaccessiility pre%ents this, the penetrameter may e placed on the film side of the material ein& radio&raphed pro%ided a lead letter -5at least as hi&h as the identification numer is placed adacent to the penetrameter. ) 5or material other than !eld a source side penetrameter shall e placed in the area of interest. *<4. "inus *6E to plus 0
*<6. No. ocation makers that are to appear on the radio&raphic film should e placed on the part ein& e'amined and not on the cassettes. *<9. d *<;. d *
AS"# B*9.6 2AC3>C# Q#S3>1NS F C1S#@ B11M F A2> << *. AS"# B *9.6 does not co%er : a. Class *6< flan&es . Class 0<< flan&ed fittin&s c. Butt !elded pipe caps d. All of the ao%e . 3he ma'imum hydrostatic test pressure permitted for a flan&e in a system hydrostatic test is : a. Not required . Conducted at *.6 ' class ratin& P *<< < 5 c. Conducted at 6 psi ao%e class ratin& d. equired only for !elded flan&es 0. -Hi&h stren&th- oltin& is descried as equi%alent to : a. AS3" A *=0 B6 . AS3" A *=0 B; c. AS3" 0< ? d. Any hi&h caron steel olt 4. 3he pressure class ratin&s co%ered y AS"# B*9.6 are a. *6<, 0<<, 4<<, 9<<, =<<, *6<<, 6<< . *6<, 0<<, 4<<, 46<,9<<,=<<,*6<< c. *6, *6<, 0<<, 4<<, 9<<, =<<, *6<<, 6<< d. *6<, 0<<, 4<<, 9<<, ;<<, =<<, *<<<, *6<< 6. 3he standard finish for raised face flan&es per AS"# B*9.6 is : a. 6<µ to 6<< µ / inch . *6 µ to 6< µ / inch c. 9< mm to 6<< mm / inch d. 6< µ / mm to 6<< µ / mm 9. Socket !eld and threaded flan&es are not receommended for ser%ice eyond the follo!in& temperatures if thermal cycles are in%ol%ed : a. F< F 96< <5 . F0< F 9<<< 5 c. F6< F 6<< <5 d. F6< F 6<< <5 ;. -o! stren&th - oltin& is a. ≤ 0< MS> yield stren&th . ≥ 0< MS> yield stren&th c. ≥ 0< MS> tensile stren&th d. ≥ *<< MS> yield stren&th
?. in& oint side!all surfaces ( &asket &roo%e ) must not e'ceed rou&hness. a. 6< µ / in . 90µ / in c. *<< µ/in d. 90 mm / in =. 8hich of the follo!in& items must e marked on all flan&es or flan&ed fittin&s a. 3emperature . Actual !orkin& pressure c. AS3" material specification d. Hydrotest pressure *<. 8hen used a%e <5, class *6< flan&es may de%elop leaka&e unless special precautions are taken re&ardin& loads or thermal &radients. a. *6< . 0<< c. 9<< d. 4<< **. 3he three asic parts to a flan&ed oint are : a. 5lan&es, !elds, &askets . 5lan&es, olts, nuts c. 5lan&es, olts, &askets d. 5lan&es, &askets, threads *. Class 9<< fla&ed oints may de%elop leaka&e, unless special considerations for thermal &radients are applied at temperatures ao%e <5. a. 9<< . ?<< c. =6< d. ;6< *0. A Class 4<< flan&ed fittin& must e hydrotested at !hat pressure, if the *<<<5 ratin& is ?<< psi& a. *<< psi& . *<< psi& c. *6 psi& d. Not required per AS"# B *9.6 *4. 3he ma'imum temperature for hydrotestin& a fittin& is : a. * <5 . *6
*6. 3he minimum duration for hydrotestin& on N2S * fittin& shall e: a. min . * min c. 0 min d. No requirements to test fittin&s
ANS8# M# *.c . 0 4a 6. 9. c ;. a ?. =. c *<. d **. c *. d *0. *4. a *6. c
