www.easaquestionpapers.blogspot.com 14.1. Material Handling - Sheet metal.
Question Number. 1. The purpose of a joggle is. Option A. to act as a tear stopper. Optio tion B. to make the holes for a rivet lin line up. Optio tion C. to produce a flush fit at a metal joint. Cor Correct ect Ans nser is is. to pro produce duce a flu flussh fi fit at at a metal tal joi join nt. !"pl !"plan anat atio ion. n. A#$ A#$ Te Techni chnici cian an Airfr irfram amee Te Te"tboo "tbook k %&'. %&'.
Question ion Nu Number.
%.
Caustic so soda ap applied ied to to a metal tu turns bl black. Th This o ould in indicate the me metal is is.
Option A. magnesium allo(. Option B. duralumin. Option C. aluminium. Correct Anser is is. duralumin. !"planation. N)*.
Question Number. +. ,emoval of a scratch from a sheet of of metal re-uires. Option A. polishing. Option B. blending. Option C. C. burnishing. Correct Anser is. burnishing. !"pl !"plan anat atio ion. n. A#$ A#$ ec echa hani nics cs Airfr irfram amee Te Te"tbo "tbook ok $ag $agee 1+/. 1+/.
Question Number. 0. hen dimpling a sheet of metal (ou ould re-uire. Option tion A. an ov overs ersi2ed i2ed rive ivet an and spe speccial ial rea reacction tion bloc block. k. Option B. a male and female die. Option C. a male die onl(. Correct Anser is. a male and female die. !"pl !"plan anat atio ion. n. A#$ A#$ Te Techni chnici cian an Air Airfr fram amee Te Te"tboo "tbook k %&34 %&34..
Question Number. 3. The skin on an aircraft is normall( manufactured from. Option A. %/%0 aluminium allo(. Option B. 5/53 aluminium allo(. Option C. %115 aluminium allo(. Correct Anser is is. %/%0 al aluminium allo(. !"pl !"plan anat atio ion. n. A#$ A#$ Te Techni chnici cian an Airfr irfram amee Te Te"tboo "tbook k %&5. %&5.
Question Number. 6. The mold point is. Optio Option n A. A. the the mid mid poi point nt in in the the thic thickn knes esss of a shee sheett of meta metall to hi hich ch the the rad radiu iuss dime dimens nsio ion n is calc calcul ulat ated ed.. Optio Option n B. B. the the cen centr tree of of cur curva vatu ture re of a rad radiu iuse sed d cor corne nerr in in a meta metall fab fabri rica cate ted d com compo pone nent nt.. Opti Option on C. C. an ima imagi gina nar( r( poi point nt fro from m hi hich ch rea reall base base mea measu sure reme ment ntss are are prov provid ided ed.. Corr Correc ectt Ans Anse err is. is. an imag imagin inar ar( ( poi point nt from from hic hich h rea reall base base meas measur urem emen ents ts are are pro provi vide ded. d. !"pl !"plan anat atio ion. n. A#$ A#$ Te Techni chnici cian an Air Airfr fram amee Te Te"tboo "tbook k %&51 %&51..
Question Number. 5. ,elief holes are. Opti Option on A. hole holess dri drill lled ed in a bat batte ter( r( cont contai aine nerr to to pro provi vide de drai draina nage ge.. Opti Option on B. hole holess dri drill lled ed in the the cor corne nerr of of a meta metall bo" bo" to prev preven entt cra crack ckin ing. g. Option C. holes drilled to stop a crack. Corr Correc ectt Anse nserr is. is. hole holess drill drilled ed in the the corn corner er of a met metal al bo" bo" to to pre preve vent nt crac cracki king ng..
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A#$ A#$ Te Techni chnici cian an Air Airfr fram amee Te Te"tboo "tbook k %&55 %&55..
Question Number. '. The 7setback7 is. Opti Option on A. the the dis dista tanc ncee fro from m the the edge edge of the the met metal al to the the ben bend d tan tange gent nt line line.. Opti Option on B. the the dist distan ance ce from from the the mol mold d poi point nt to the the ben bend d tan tange gent nt line line.. Opti Option on C. the the dis dista tanc ncee fro from m the the bend bend tang tangen entt lin linee to to the the setb setbac ack k lin line. e. Corr Correc ectt Ans Anse err is. is. the the dis dista tanc ncee fro from m the the mold mold poin pointt to to the the bend bend tang tangen entt line line.. !"pl !"plan anat atio ion. n. A#$ A#$ Te Techni chnici cian an Air Airfr fram amee Te Te"tboo "tbook k %&51 %&51..
Question Number. 4. 8a(ing surfaces are. Option tion A. surfa urface cess tha that are are in conta ontacct it ith h ea each oth other er.. Option B. B. surfaces th that ar are st stressed. Opti Option on C. surf surfac aces es that that have have been been trea treate ted d it ith h ant anti& i&co corr rros osio ion n com compo poun und. d. Corr Correc ectt Anse nserr is. is. surf surfac aces es that that are are in in con conta tact ct ith ith eac each h oth other er.. !"planation. N)*.
Questi estion on Numbe umberr. 1/. 1/. )n sh sheet eet meta etal bend bendin ing g9 ho ho ould ould (ou measur asuree the the bend bend radius dius to calc alcula ulate the bend alloance:. Optio tion A. easure to to th the in inside of of th the be bend ra radius. Optio tion B. B. easure to to th the ou outside of of th the be bend ra radius. Optio Option n C. C. eas easur uree to to the the insi inside de of the the bend bend radi radius us plus plus half half the the met metal al thic thickn knes ess. s. Cor Correct ect Ans Ans er is is. easu easurre to to the the insi inside de of the the be bend radi radius us.. !"plan !"planati ation. on. ;eppes ;eppesen en A # $ Tecnician cnician Airfra irframe me Te"tbook "tbook pg pg %&5/. %&5/.
Question Number. 11. hen dimpling sheet ith a s-uee2e dimpling tool. Option A. the jas ar are no not ad adjustable. Opti Option on B. adju adjust st the the ja jass to to acc accom ommo moda date te dif differen erentt mat mater eria iall gau gauge ges. s. Option C. use a lubricant. Corr Correc ectt Anse nserr is. is. adju adjust st the the jas jas to acco accomm mmod odat atee diff differ eren entt mate materi rial al gaug gauges es.. !"pl !"plan anat atio ion. n. ;epp ;eppes esen en A#$ Airfr irfram amee Te Te"tbo "tbook ok %&3 %&34. 4.
Question Number. 1%. Bend radius on sheet metal is. Option A. inside ra radius < = thickness. Option B. inside radius. Option C. outside radius. Correct Anser is is. inside ra radius. !"pl !"plan anat atio ion. n. ;epp ;eppes esen en A#$ Airfr irfram amee Te Te"tbo "tbook ok %&5 %&5/. /.
Question Number. 1+. Aircraft skin is joggled to. Option tion A. $rovid ovidee smoo smooth th airf irflo lo at fa(in a(ing g surf urfaces ces. Optio tion B. ake a frame ligh ighter but stronge nger. Option C. Conform ith the 7Area ,ule7. Corr Correc ectt Anse nserr is. is. $rov $rovid idee smoo smooth th airf airflo lo at fa( fa(ing ing surf surfac aces es.. !"plan !"planati ation. on. ;eppes ;eppesen en A # $ Tecnician cnician Airfra irframe me Te"tbook "tbook pg pg %&'%. %&'%.
Question Nu Number. 10. >?inc Ch Chromate ap applied be beteen fa fa(ing su surfaces i ill. Opti Option on A. impr improv ovee adhe adhesi sion on thu thuss reli reliev evin ing g the the amo amoun untt of riv rivet etin ing g nece necess ssar ar( (. Option B. improve bonding beteen them. Opti Option on C. inhi inhibi bitt diss dissim imil ilar ar meta metall @ele @elect ctro rol( l(ti tic c corr corros osio ion. n. Corr Correc ectt Ans Anse err is. is. inhi inhibi bitt diss dissim imil ilar ar meta metall @el @elec ectr trol ol( (tic tic corr corros osio ion. n. !"planation. N)*.
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Questi estion on Numbe umberr. 13. 13. )f a non& non&fferrou rrouss meta etal bein being g e"am e"amin ineed b( chem chemic ical al test test tur turns blac black k he hen n caustic soda is applied to the surface9 the metal is. Option A. duralumin. Option B. alclad. Option C. aluminium. Correct Anser is is. duralumin. !"planation. N)*.
Question Number. 16. To aid marking out on 8e metals use. Option A. graphite grease. Option B. copper sulphate solution. Option C. engineer7s blue. Correct Anser is. copper sulphate solution. !"plan !"planati ation. on. 8e means means 8errou 8errous. s. Copper Copper sulph sulphate ate soluti solution on should should be used. used.
Question ion Nu Number. 15. The sig sigh ht li line on on a sheet me metal fl flat la la(out to to be be be bent in in a cornice or or bo bo" brake is measured measured and marked. Option tion A. one& one&h half alf ra radius dius from eith either er bend bend tang tangen entt lin linee. Opti Option on B. one one rad radiu iuss fro from m the the bend bend tang tangen entt lin linee tha thatt is is pla place ced d und under er the the bra brake ke.. Optio tion C. C. one ra radius fr from ei either be bend ta tangent li line. Corr Correc ectt Ans Anse err is. is. one one rad radiu iuss fro from m the the bend bend tang tangen entt lin linee tha thatt is is pla place ced d unde underr the the brak brake. e. !"pl !"plan anat atio ion. n. A#$ A#$ Airfr irfram amee Te Te"tboo "tbook k 3&6/ 3&6/ $g $g %+% %+% 8ig 8ig 3&11 3&11'. '.
Question Number. 1'. )f co copper sulphate is us used on on ma magnesium allo( it i ill. Option A. effervesce to a copper colour. Option B. have no effect. Option C. effervesce to a black colour. Correct Anser is is. effervesce sce to to a blac lack co colour. !"planation. N)*.
Questi estion on Numbe umberr. 14. 14. )f it is nece necesssar( sar( to compu ompute te a ben bend allo allo ance ance prob proble lem m and bend bend allo lloaance nce tables are not available9 the neutral a"is of the bend can be. Optio Option n A. A. foun found d b( addi adding ng app appro ro"i "ima mate tel( l( one one&h &hal alff of the the sto stock ck thi thick ckne ness ss to to the the bend bend radi radius us.. Opti Option on B. foun found d b( subt subtra ract ctin ing g the the stoc stock k thi thick ckne ness ss from from the the ben bend d rad radiu ius. s. Optio Option n C. C. repr repres esen ente ted d b( b( the the act actua uall len lengt gth h of of the the re-u re-uir ired ed mate materi rial al for for the the ben bend. d. Corr Correc ectt Ans Anse err is. is. foun found d b( add addin ing g appr appro" o"im imat atel( el( one& one&ha half lf of of the the stoc stock k thic thickn knes esss to the the bend bend rad radius ius.. !"plan !"planati ation. on. ;eppes ;eppesen en A # $ Technici chnician an Airfra irframe me pg %&5+ %&5+ fig %&1+1. %&1+1.
Question Number. %/. The formula for setback for a 4/ bend is. Option A. @=, < T. Option B. @, < T. Option C. @, < =T. Correct Anser is. @, < T. !"pl !"plan anat atio ion. n. A#$ A#$ Airfr irfram amee Te Te"tboo "tbook k 3&33 3&33 $g $g %%5 %%5 8ig 8ig 3&11 3&11%. %.
Question Number. %1. Caustic soda placed on the edge of alclad ill turn. Option A. hite black hite. Option B. all hite. Option C. black hite black. Correct Anser is. hite black hite.
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N)*.
Question Number. %%. )n marking a light allo(. Optio Option n A. A. the the scr scrib iber er must must be be held held at at an an angl anglee to give give a smoo smooth th lin linee he here re bend bendin ing g is re-u re-uir ired ed.. Option B. caustic soda is used. Optio Option n C. C. a pen penci cill is is use used d to to mar mark k the the mate materi rial al and and all all mark markss rem remov oved ed afte afterr ben bendi ding ng.. Corr Correc ectt Ans Anse err is. is. a penc pencil il is is use used d to mark mark the the mat mater eria iall and and all all mar marks ks rem remov oved ed aft after er bend bendin ing. g. !"pl !"plan anat atio ion. n. B*D6& B*D6&%4 %4 0.1 0.1A# A#$ $ Een Eener eral al Te Te"tboo "tbook k 4&++ 4&++ $g $g +%. +%.
Questi estion on Numbe umberr. %+. %+. hen hen as assem semblin bling g meta etals of dif different rent pote potent ntia ial9 l9 corr orrosio osion n ma( ma( be inh inhib ibit ited ed b( application of. Option tion A. 2inc 2inc or chrom hromic ic acid acid # asse ssemble mble hile hile et. Option tion B. 2inc 2inc or bar barium ium chr chromat omatee # asse ssemble ble hile hile et. et. Option C. C. nothing & assemble ba bare. Corr Correc ectt Anse nserr is. is. 2inc 2inc or bari barium um chro chroma mate te # asse assemb mble le hile hile et. et. !"planation. B*D0&% 0. 0.0.6.
Question Number. %0. Fteel ire brushes or steel ool should. Option A. be us used to to cl clean ma magnesium al allo(s. Option B. B. be us used to to cl clean al aluminium sheet. Option C. never be used on light allo(s o(s. Correct Anser is is. never be us used on on li light al allo(s o(s. !"planation. N)*.
Questi estion on Numbe umberr. %3. %3. hen hen a piec iece of metal tal is bent bent99 the the sur surface ace of the the meta etal on the the outs outsid idee of the the bend is. Option A. in compression. Optio tion B. neither in tension or in compression ion. Option C. in tension. Correct Anser is. in tension. !"planation. N)*.
Question Number. %6. The sight line of a bend is. Option A. at the tangent line. Optio tion B. half a radius ius from the tange ngent line. Option C. C. one ra radius from th the ta tangent li line. Cor Correct ect Ans nser is. is. one one radiu adiuss from the tang tangen entt line line.. !"planation. N)*.
Questi estion on Numbe umberr. %5. %5. The shar harpes pest be bend tha that can can be be pla placed ced in a pie piece of metal tal ithou thoutt critic iticaall( ll( eakening the part is called the. Option A. ma"imum radius of bend. Option B. minimum radius of bend. Option C. bend alloance. Correct Anser is is. minimum ra radius of of be bend. !"plan !"planati ation. on. ;eppes ;eppesen en A#$ Airfram irframee Tec Technic hnician ian Te"tbo Te"tbook ok $age $age %&5/. %&5/.
Question Number. %'. Fcribers are used to. Option A. produce an an ac accurate fi finish. Optio tion B. make centre pop marks for drilling. Option C. mark guide lines on material.
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mark gu guide li lines on on ma material ial.
Questi estion on Numbe umberr. %4. %4. A hole hole dril drille led d at at the the inte ntersec section tion of to to be bends nds in in a fab fabrrica icated ted she sheeet me metal tal component is called. Option A. a drain hole. Option B. a crack stopper. Option C. a relief hole. Correct Anser is. a relief hole. !"pla "plan natio ation. n. B*D6 B*D6&&10 %.%. %.%.+ + and +.1. +.1.
Question Number. +/. >issimilar me metal di diffusion bo bonding gi gives. Option A. high strength and ductilit(. Option B. high strength and stiffness. Option C. high strength and brittleness. Correct Anser is is. high st strength an and st stiffness. !"planation. N)*.
Question ion Nu Number. +1. arking out on on st stainless st steel ca can be be cl clarified b( b( ap application of of. Option A. ammonia. Option B. copper sulphate. Option C. sal ammoniac. Correct Anser is. copper sulphate. !"pl !"plan anat atio ion. n. Copp Copper er sul sulph phat atee is use used d to aid aid mark markin ing g out out of stee steel. l.
Question ion Number. +%. hen draing line ines on aluminium allo( sheet prior to bending. Optio Option n A. a thi thin n coa coatt of of 2in 2incc chr chrom omat atee pri prime merr sho shoul uld d be be use used9 d9 read read( ( for for penc pencil il line lines. s. Option B. a scriber should be used. Option C. a a" pencil should be used. Corr Correc ectt Ans Anse err is. is. a thi thin n coa coatt of 2inc 2inc chr chrom omat atee prim primer er shou should ld be be use used9 d9 rea read( d( for for pen penci cill line lines. s. !"planation. CA)$ B*D B*D6&%4 0. 0.1.
Questi estion on Numbe umberr. ++. ++. After ter solu soluti tion on tre treatm atment of alum luminiu inium m allo( llo(99 the the eff effect ect of immedia diate refrigeration at a temperature ith the range &13C to &%/C is. Option tion A. to suspe uspend nd natu natura rall age agein ing g for for a lim limiited ted per perio iod d. Opti Option on B. to perm perman anen entl tl( ( sof softe ten n the the meta metall to to ret retar ard d the the onse onsett of of fat fatig igue ue.. Option tion C. to inc increas ease the rate ate of artif tificia iciall agei ageing ng.. Corr Correc ectt Anse nserr is. is. to susp suspen end d natu natura rall age agein ing g for for a lim limit ited ed peri period od.. !"pla "plan natio ation. n. B*D4 B*D4&&1 4. B*D6 B*D6&&%5 6.%. 6.%.
Question Nu Number. +0. >iffusion bo bonding an and su superplastic fo forming pr provides. Option A. high st strength an and hi high du ductilit(. Option B. B. high st strength an and hi high st stiffness. Optio tion C. high igh stiff iffness and high ductilit( lit(.. Cor Correct ect Ans nser is. is. high high stif stifffness ness and hig high duc ducti tili lit( t(.. !"planation. N)*. 14.2. Material Handling - Composite and non-metallic.
Question ion Number. the la(er belo it:.
1.
)n a composite re repair la(& a(&up9 ho ho much sh should ea each la( la(eer e"tend be(o e(ond
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www.easaquestionpapers.blogspot.com Option A. % & + inches. Option B. 1 & % inches. Option C. + & 0 inches. Correct Anser is. 1 & % inches. !"planation. AC0+ $a $age +& +&3.
Question ion Nu Number. %. To enable a co composite pa panel to to di dissipate static ch charge it it o ould be be sp spra(e a(ed ith. Option A. pol(urethane pa paint. Option B. ferrous paint. Option C. aluminium paint. Correct Anser is. aluminium paint. !"planation. N)*.
Question ion Number. +. A mechan hanic has completed ted a bonded ho hone(comb repair using the potted ted compound repair techni-ue. hat non&destructive testing method is used to determine the soundness of the repair after the repair has cured:. Option A. !dd( current test. Option B. etallic ring test. Option C. Gltrasonic test. Correct Anser is. etallic ring test. !"planation. N)*.
Question ion Nu Number. 0. A non&destructive te testing ing te techni-ue h hich is is su suitable fo for in inspecting for delamination in ,edu" bonded structure of light aluminium allo(s is. Option A. ultrasonic. Option B. edd(¤t. Option C. magnetic flo. Correct Anser is. ultrasonic. !"planation. N)*.
Question ion Number. 3. h( is an e"tr "tra la(er of fibreglass added to a composite repair:. Optio tion A. To provide ad additi itional fl fle"ibi ibilit(. t(. Option B. 8or sacrificial sanding. Optio tion C. C. To increase the st strengt ngth of of th the re repai pair. Cor Correct ect Ans Ans er is is. To incr increease the the str streength ngth of the the re repair pair.. !"pla "plan natio ation. n. AC0+ C0+ +&+@ +&+@+ + pag page +&3. +&3.
Question ion Number. 6. Ho do (ou (ou reduce or or remove el electrostat tatic ch charges h hich ma ma( build up up on on fibreglass surfaces:. Optio Option n A. No spec specia iall tre treat atme ment nt is nece necess ssar ar( ( bec becau ause se fibr fibree gla glass ss is an insu insula lator tor.. Opti Option on B. The The sur surfa face ce is trea treate ted d ith ith a spe speci cial al cond conduc ucti tive ve pain paint. t. Option tion C. The surf urface ace is is im impreg pregna nate ted d it ith h cop coppe perr str strip ipss. Corr Correc ectt Ans Anse err is. is. The The sur surfa face ce is trea treate ted d it ith h a spe speci cial al cond conduc ucti tive ve pain paint. t. !"planation. *eaflet 4& 4&1 +. +.0.0.
Question Number. 5. $rior to aluminium allo( bonding e use. Option A. alkaline etch. Option B. acid etch. Option C. solvent ipe. Correct Anser is. acid etch. !"pl !"plan anat atio ion. n. $hos $hosph phor oric ic acid acid and and chro chromi micc acid acid ash ash..
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Question Number. '. Elass reinforced panels are bonded b(. Option A. special conductive paint. Option B. ire mesh. Option C. bonding strips to conductors. Correct Anser is. special ial conductive ive paint. !"pla "plan natio ation. n. *eaf eaflet let 4&1 4&1 par para.+.0 .+.0.0 .0..
Question ion Number. 4. hat so solvents could (o (ou us use to clean to tools used fo for fibreglass re repairs:. Option A. Trichloroeth(lene or or ac acetone. Option B. B. *ead fr free pe petrolDkerosene. Option C. acetone or !I. Correct Anser is. acetone or !I. !"planation. CA)$ F A* A*D5&6 6. 6.6.
Question ion Number. 1/. Chopped stra trand mat is a good general purpose mat because. se. Option A. it has short fibres. Option tion B. it gives ives e-ua -ual prop propeerties ties in all all dir directio ctions ns.. Option C. it is a stiffer than oven cl cloth. Corr Correc ectt Anse nserr is. is. it give givess e-u e-ual al prop proper erti ties es in all all dire direct ctio ions ns.. !"planation. N)*. 15a. Welding, Brazing, Soldering and Bonding.
Question Number. 1. Before soldering stainless steel it must be. Option A. pickled. Option B. cleaned ith emer( cloth. Option C. sand papered. Correct Anser is. pickled. !"planation. B*D6&1 3.+.
Question Number. %. )nsufficient heat used in soldering ill cause. Option A. the joint to o"idi2e. Optio tion B. a high igh resistance joint potential ial. Option C. contamination of the joint. Cor Correct ect Ans nser is. is. a high igh resis esista tanc ncee join jointt pote potent ntia ial. l. !"planation. N)*.
Question Number. +. A dr( joint hen soldering is caused b(. Option A. too large an iron. Option B. too much flu". Option C. too little heat. Correct Anser is. too little heat. !"planation. N)*.
Question Number. 0. The o"(acett( (llene flame for silver soldering should be. Option A. o"idi2ing. Option B. carbonising. Option C. neutral. Correct Anser is. neutral. !"plan !"planati ation. on. B*D6& B*D6&% % 1%.%.0 1%.%.0 @Fil @Filver ver solder soldering ing is is also also knon knon as as lo temp temper eratu ature re bra2i bra2ing ng..
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Question Number. 3. A flu" is used in soldering to. Option A. to dissolve o"ides. Option tion B. etch tch the the meta metals ls surfa urface ce for more ore adhe dhesion sion.. Option C. to prevent solder spikes. Correct Anser is. to dissolve o"ides. !"planation. N)*.B*D6&1 0.%.
Question Number. 6. $lumbers solder is grade. Option A. C. Option B. >. Option C. B. Correct Anser is. >. !"pla "plan natio ation. n. N)*.B* .B*D6&1 D6&1 0.1 0.1 ta table ble %. %.
Question ion Number. 5. h( is it necessar( to use flu" lu" in all silver soldering operations:. Option A. To increase he heat co conductivitt( (.. Option tion B. To preve revent nt over overh heati eating ng of the base base metal. tal. Option tion C. To chem hemical icall( l( clean lean the the ba base metal tal of of o"i o"ide de film ilm. Corr Correc ectt Ans Anse err is. is. To chem chemic ical all( l( clea clean n the the base base meta metall of of o"i o"ide de film film.. !"planation. B*D 6&% $ara 3&%.
Question ion Nu Number. '. hen ma making a sm small so solde ldered el electrica ical co connec nection ion9 us using fl flu"&cored solder. Opti Option on A. the the con conne nect ctio ion n sho shoul uld d be be hea heate ted d fir first st and and the then n sol solde derr app appli lied ed.. Optio Option n B. B. the the sol solde deri ring ng iro iron n and and sold solder er shou should ld be be appl applie ied d sim simul ulta tane neou ousl( sl( to the the con conne nect ctio ion. n. Optio Option n C. C. the the sol solde deri ring ng iro iron n sho shoul uld d be load loaded ed ith ith sol solde derr and and then then app appli lied ed to the the con conne nect ctio ion. n. Corr Correc ectt Ans Anse err is. is. the the sold solder ering ing iron iron and and sol solde derr shou should ld be be appl applie ied d simu simult ltan aneo eous usl( l( to to the the conn connec ecti tion on.. !"planation. N)*.
Question Number. 4. The t( t(pe of of flu" to to be be us used h hen so soft so soldering on ai aircraft is is. Option A. active. Option B. non&active. Option C. either active or non&active. Correct Anser is. non&active. !"planation. B*D6&1 0. 0.%.'.
Question Number. 1/. The op operational te temperature of of soldering ir irons is. Optio tion A. fjust ab above th the me melting ing po point int of of so solder. Optio tion B. B. belo th the me melting po point of of th the ba base me metal. Optio tion C. C. 6/C above the the melting point int of of solder. Cor Correct ect Ans Ans er is is. 6/C 6/C abo above the the me meltin lting g poi point nt of sold soldeer. !"planation. N)*.
Question Number. 11. hat elements is solder made from:. Option A. Tin9 lead and copper. Option B. Tin and lead onl(. Option C. Tin9 lead and silver. Correct Anser is. Tin an and lead onl(. !"planation. B*D6&1.
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Question Number. 1%. Eeneral purpose solders are graded b(. Option A. a colour coding. Option B. a letter coding. Option C. a numerical coding. Correct Anser is. a letter coding. !"planation. B*D6&1 6&1 table %.
Question Number. 1+. hat solder should be used to solder aluminium:. Optio tion A. >.T.>. 6' 6'3 le lead&s d&silve lver&tin solder. Option B. 4/J tin and 1/J 2inc. Option C. ire flu" cored solder. Correct Anser is is. ire fl flu" co cored so solder. !"planation. CA)$ F B* B*D6&19 10 10.
Question Number. 10. Folder can be used to join. Option A. some dissimilar metals. Option B. onl( copper based metals. Option C. similar metals onl(. Correct An Anser is is. some di dissimilar me metals. !"planation. N)*.
Question Number. 13. A flu" is used in soldering to. Option A. dissolve o"ides. Option B. prevent solder spikes. Optio tion C. C. etch th the me metal su surface fo for mo more ad adhesion. Correct Anser is. dissolve o"ides. !"planation. N)*.
Question Number. 16. On completion of soldering a non&activated flu". Optio tion A. must be be cl cleaned of off i ith an an ac acid so solution. Option B. need not be cleaned off. Option tion C. must ust be clea cleane ned d off off ith ith a sele seleccted ted sol solve vent nt.. Corr Correc ectt Anse nserr is. is. must must be clea cleane ned d of off ith ith a sele select cted ed solv solven ent. t. !"pla "plan natio ation. n. CA)$ A)$ B*D6 B*D6&&1 pa para 0.%. 0.%.+. +.
Question Number. 15. A dr( joint in in so soldering is is mo most li likel( to be be ca caused b( b(. Option A. flu" not used. Option B. components not hot enough. Option C. rong solder used. Correct Anser is. components not hot enough ugh. !"plan !"planati ation. on. All All are poss possibl( ibl( correc correct9 t9 but but the iron iron not not being being hot hot enoug enough h is sure sure to prod produce uce a dr( join joint. t.
Questi estion on Numbe umberr. 1'. 1'. hat hat action tion is take taken n hen hen sold solder erin ing g flu" lu" resid esidue ue ma( hav have lodg lodgeed in dee deep crevices of an assembl(:. Optio Option n A. A. )t mus mustt be imm immer erse sed d in a ea eak k solu solutio tion n of h( h(droc drochl hlor oric ic aci acid d and and rins rinsed ed tho thoro roug ughl( hl( in in runn runnin ing g ater. Optio Option n B. B. )t must must be imme immers rsed ed in a ea eak k sol solut ution ion of phos phosph phor oric ic acid acid and and rin rinse sed d in in at ater er.. Optio Option n C. )t mus mustt be tho thoro roug ughl( hl( rins rinsed ed it ith h a ea eak k solu soluti tion on of of sulp sulphu huri ricc acid acid and and as ashe hed d in col cold d ate aterr. Corr Correc ectt Ans Anse err is. is. )t mus mustt be imm immer erse sed d in a ea eak k solu solutio tion n of h(d h(dro roch chlo lori ricc acid acid and and rin rinse sed d thoro thoroug ughl( hl( in running ater.
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www.easaquestionpapers.blogspot.com !"planation.
B*D6&1 '.6.
Question Number. 14. A phosphate based flu" paste is for soldering. Option A. aluminium. Option B. brass. Option C. stainless steel. Correct Anser is. stainless steel. !"planation. B*D6&1 0. 0.%.3.
Questi estion on Numbe umberr. %/. %/. The solder lderin ing g metho ethod d here here molte olten n solde olderr is pum pumped ped from the bot bottom tom of a bath through a slot so that a stationar( stationar( ave of solder solder appears on the surface surface is knon as the. Option A. rotar( bath method. Option B. B. stationar( a ave me method. Option C. standing ave bath method. Correct Anser is. standing ing ave bath method. !"planation. CA)$ F B*D6&19 4. 4.%.
Question Number. %1. Folders are available in to formsK. Optio Option n A. stic stick k sol solde derr it ith h a rosi rosin n cor coree and and sold solder er in a ir iree for form m hav having ing a ros rosin in core core.. Optio Option n B. B. Fold Folder er in a ire ire form form need needin ing g a sep separ arat atee flu flu" " and and sti stick ck sol solde derr nee needi ding ng no no flu flu" " at all. all. Optio Option n C. C. stic stick k sol solde derr nee needi ding ng a sep separ arat atee flu flu" " and and sol solde derr in in ir iree for form m hav having ing a ros rosin in core core.. Corr Correc ectt Ans Anse err is. is. stic stick k sold solder er nee needi ding ng a sepa separa rate te flu flu" " and and sold solder er in in ir iree form form havi having ng a ros rosin in cor core. e. !"planation. B*D6&1 0.1.
Questi estion on Numbe umberr. %%. %%. A resur esurfface aced sol solde derring ing iron iron cann cannot ot be used used eff effecti ective vel( l( unti untill afte afterr the orking face has been. Option A. flu"ed. Option B. polished. Option C. tinned. Correct Anser is. tinned. !"pla "plan natio ation. n. CA)$ A)$ F B*D6&1 D6&199 6.1. 6.1.1. 1.
Questi estion on Numbe umberr. %+. %+. High igh te temper mperat atur uree sol solde derr is is use used d he herre the the oper operat atin ing g te temper perature ture is high. igh. )t is an allo( of. Option A. lead D copper D antimon(. Option B. tin D 2inc D antimon( D silver. Option C. tin D lead D antimon( D silver. Correct Anser is is. tin D lead D antimon( D silver. !"pla "plan natio ation. n. CA)$ A)$ F B*D6&1 D6&199 0.1. 0.1.%. %.
Question Number. %0. Foft solder is suited for joints9 hich are. Option A. subjected to fatigue. Option B. B. subjected to to st strong fo forces. Option C. subjected to small forces. Correct Anser is. subjected ted to small forc orces. !"pl !"plan anat atio ion. n. AC0+ C0+ pag pagee 0/6 0/61 1 para para 0. B*D6 B*D6&1 &1..
Question Number. %3. Option A. 0//C & 33/C. Option B. %//C & 0//C. Option C. 6//C & '3/C.
Filver solder me melts ithin th the ra range.
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www.easaquestionpapers.blogspot.com Correct Anser is. 6//C & '3/C. !"planation. B*D6&% 6&%9 $ara 1. 1.1.
Question Number. %6. The term 7dr( joint7 is usuall( applied to. Option A. a metal being lightl( heated. Option tion B. a def defect ect asso assocciate iated d ith ith a solde oldere red d join joint. t. Option C. a ater tight joint. Cor Correct ect Ans Ans er is is. a de defect ect as assoc sociate iated d it ith h a sol solde dere red d joi joint nt.. !"planation. N)*.
Question Number. %5. Filver soldering is suited for. Option A. A. electronic co component so soldering. Option B. B. high te temperature ap applications. Option C. C. general so soldering o ork. Cor Correct ect Ans nser is. is. high high tem tempera peratu turre app applic lication tionss. !"pla "plan natio ation. n. B*D6 B*D6&&1 $ara.0 a.0.1.% .1.%..
Question Number. %'. Filver solder is made from. Option A. tin9 copper and 2inc. Option B. copper9 tin and silver. Option C. copper9 2inc and silver. Correct Anser is. copper9 2inc and silver. !"pl !"plan anat atio ion. n. orksh rkshop op Te Techno chnolo log( g( A A; Chap Chapma man n $age $age 1/3 1/3..
Question ion Number. %4. The materials most commonl( soldered in soft soldering are. Option A. brass and mild steel. Option B. stainless steel and titanium. Option C. aluminium and magnesium. Correct Anser is. brass and mild steel. !"planation. N)*. 15b. Welding, Brazing, Soldering and Bonding.
Question Nu Number. 1. hat pu purpose do does fl flu" se serve in in e elding al aluminium:. Option tion A. !nsur nsurees pr proper oper dis distrib tribu ution tion of the the fil fille lerr rod rod.. Option B. ,emoves dirt9 grease9 and oil. Option C. C. inimises or or pr prevents o" o"idation. Cor Correct ect Ans nser is. is. inim inimis ises es or preve events nts o"ida "idati tion on.. !"planation. N)*.
Question ion Nu Number. %. The sh shielding gases ge generall( ll( us used in in th the Tu Tungsten )n )nert Ea Eas @T @T)E e elding of aluminium consist of. Opti Option on A. nitr nitrog ogen en or h(dr h(drog ogen en99 or or a mi"tu i"ture re of nitr nitrog ogen en and and h(d h(dro roge gen. n. Optio tion B. B. a mi mi"ture of of ni nitrogen an and ca carbon di dio"id "ide. Option tion C. heli helium um or arg argon9 on9 or or a mi"tu i"ture re of heli helium um and arg argon. on. Corr Correc ectt Anse nserr is. is. heli helium um or argo argon9 n9 or a mi" mi"tu ture re of heli helium um and and ar argon. gon. !"planation. N)*.
Question ion Number. +. hich items listed belo lo is the most important consideratio tion hen selecting a elding rod:. Optio tion A. Thickness of of th the me metal to to be be e elded on onl(. l(.
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www.easaquestionpapers.blogspot.com Option B. T(pe of torch. Option tion C. T(pe and and thic thickn kneess of the the metal tal to be elde lded. Corr Correc ectt Anse nserr is. is. T(pe and and thic thickn knes esss of of the the meta metall to to be be eld elded ed.. !"planation. B*D6&0 % # 0.1.
Question Number. 0. hat is a good eld:. Option tion A. Build uild up b( 1D' inch inch in the the middl iddlee of the the eld. ld. Optio tion B. An o"id "ide coating on the base metals. Option C. C. Fides sloping to the ba base me metals. Cor Correct ect Ans nser is. is. Fide ides slopi loping ng to the the base base meta metals ls.. !"pl !"plan anat atio ion. n. ;epp ;eppes esen en A # $ air airfr fram amee tech techni nici cian an te"tb te"tboo ook k p 0&4. 0&4.
Question Number. 3. Bra2ing material is made from. Option A. copper 2inc and silver. Option B. copper and tin and lead. Option C. copper9 silver and tin. Correct Anser is is. copper 2i 2inc an and si silver. !"pl !"plan anat atio ion. n. orksh rkshop op Te Techno chnolo log( g( A A; Chap Chapma man n $age $age 1/+ 1/+..
Question Number. 6. 8iling or grinding a eld bead. Optio Option n A. A. ma( ma( be nec neces essa sar( r( to to avoi avoid d addi adding ng e"c e"ces esss eig eight ht or or to ach achie ieve ve uni unifo form rm mat mater eria iall thic thickn knes ess. s. Option tion B. ma( be perf perfor orm med to to ac achiev hievee a smooth oother er surfa urface ce.. Option C. C. reduces th the st strength of of the jo joint. Cor Correct ect Ans nser is. is. redu educes ces the the stren trengt gth h of the the join joint. t. !"pla "plan natio ation. n. CAA)$ F *eaf eaflet let %&1 %&1/ / +. +.
Question Nu Number. 5. The pr primar( re reason fo for us using fl flu" h hen e elding al aluminium is is to to. Option tion A. prev preveent o"id o"idees fr from form orming ing ahe ahead ad of the the e eld. ld. Option tion B. prev preveent molte olten n met metaal fr from flo loing ing too too idel idel( (. Opti Option on C. prom promot otee bet bette terr fus fusio ion n of of the the base base meta metall at at a lo loer er temp temper erat atur ure. e. Corr Correc ectt Anse nserr is. is. prev preven entt o"i o"ide dess from from form formin ing g ahe ahead ad of the the el eld. d. !"planation. B*D6&0 %.
Question ion Number. '. )n Ea Eas Tungs ngsten ten Arc @ETA elding9 a stream of inert ga gas is used to. Opti Option on A. lo loer the the tem tempe pera ratu ture re re-u re-uir ired ed to prop proper erl( l( fuse fuse the the met metal al.. Option tion B. prev preveent the the form ormatio tion of of o"id o"idees in in the the pudd puddle le.. Opti Option on C. conc concen entr trat atee the the heat heat of the the arc arc and and pre preve vent nt its its dis dissi sipa pati tion on.. Corr Correc ectt Anse nserr is. is. prev preven entt the the form format atio ion n of of o"id o"ides es in the the pudd puddle le.. !"planation. N)*.
Question Number. 4. After elding (ou ould normalise to. Optio tion A. remove o" o"idation fr from th the e elded jo joint. int. Option tion B. remov emovee car carbon bon buil build d up from the the elde elded d join joint. t. Optio tion C. C. release th the st stresses fr from th the ma material. ial. Cor Correct ect Ans Ans er is is. rele elease ase the the str stresses sses from the the mat mateerial. ial. !"plan !"planati ation. on. Norma Normalis lising ing remo removes ves loca locall stress stresses es set set up b( the heat heat99 and in turn turn preve prevents nts corr corrosi osion. on.
Question Number. 1/. The fl flu" us used during bra2ing is a mi"ture of of a ater and. Option A. 2inc chloride. Option B. h(drochloric acid. Option C. bora" poder.
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www.easaquestionpapers.blogspot.com Correct Anser is. !"planation. N)*.
bora" poder.
Questi estion on Numbe umberr. 11. O"ide "idess fo form ver( ver( rapid apidl( l( hen hen allo( llo(ss or metals tals are are hot. hot. )t is is impo imporrtant tant99 therefore9 hen elding aluminium to use a. Option A. solvent. Option B. filler. Option C. flu". Correct Anser is. flu". !"planation. B*6&0 '.%.%.
Question Nu Number. 1%. hich st statement co concerning a e elding pr process is is tr true:. Optio Option n A. A. )n the the o"( o"(ac acet( et(le lene ne el eldi ding ng pro proce cess ss99 the the fill filler er rod rod used used for for ste steel el is is cove covere red d ith ith a thi thin n coat coating ing of flu". Option Option B. )n the metal metallic lic&ar &arcc eld elding ing proces process9 s9 filler filler mater material ial99 if if need needed9 ed9 is provid provided ed b( a sepa separa rate te metal metal rod of the proper material held in the arc. Optio Option n C. The The iner inert& t&ar arcc eld eldin ing g proc proces esss uses uses an an iner inertt gas gas to pro prote tect ct the the el eld d 2one 2one fro from m the the atmo atmosp sphe here re.. Corr Correc ectt Ans Anse err is. is. The The iner inert& t&ar arcc eld eldin ing g proc proces esss uses uses an an iner inertt gas gas to pro prote tect ct the the el eld d 2one 2one fro from m the the atmosphere. !"planatio !"planation. n. ;eppesen ;eppesen A # $ airframe airframe technician technician te"tbook te"tbook pg pg 0&0 0&0 Eas Eas etal etal Arc Arc e elding paragraph. paragraph.
Question Number. 1+. hen in inspecting a bu butt&elded jo joint b( b( visual me means. Optio Option n A. the the pen penet etra rati tion on shou should ld be 1// 1// per perce cent nt of the the thi thick ckne ness ss of the the bas basee met metal al.. Optio Option n B. B. the the pen penet etra rati tion on shou should ld be %3 to 3/ perc percen entt of of the the thic thickne kness ss of the the bas basee met metal al.. Opti Option on C. look look for for evi evide denc ncee of of e"c e"ces essi sive ve heat heat in the the for form m of of a ver( ver( high high bead bead.. Corr Correc ectt Ans Anse err is. is. the the pen penet etra rati tion on sho shoul uld d be 1// 1// perc percen entt of the the thic thickn knes esss of of the the bas basee met metal al.. !"planatio !"planation. n. ;eppesen ;eppesen A#$ A#$ Eener Eeneral al Te"t Te"tbook book 11&0 11&0 and ;eppese ;eppesen n A#$ A#$ Airfram Airframee Te"t Te"tbook book 0&%.;eppe 0&%.;eppesen sen A#$ Eeneral Te"tbook 11&0 and ;eppesen A#$ Airframe Te"tbook 0&%.
Question Number. 10. hat is undesirable in a good eld:. Optio tion A. A. o"ides mi mi"ed in in i ith the the fi filler ma material ial. Option tion B. fusin using g the the edg edges of mater terials ials to be join joineed. Optio tion C. 1//J penetra tration b( filler material. Cor Correct ect Ans Ans er is is. o"id o"ides es mi"ed i"ed in ith ith the the fille illerr mat mateerial. ial. !"planation. N)*.
Questi estion on Numbe umberr. 13. 13. )n se select lectin ing g a tor torch tip tip si2e si2e to use use in eldin lding g9 the the si2e si2e of the the tip tip open openin ing g determines the. Option A. temperature of the flame. Option B. B. melting po point of of th the fi filler me metal. Option C. C. amount of of he heat ap applied to to th the o ork. Cor Correct ect Ans nser is. is. amount ount of hea heat appli pplieed to the the ork ork. !"planation. N)*.
Questi estion on Numbe umberr. 16. 16. The most imp importa ortant nt consi onside dera rati tion on@@s hen hen sel seleectin cting g eldin lding g rod isDa isDarre. Option A. material compatibilit(. Optio tion B. B. curr urrent se setting or fl flame te temperatur ture. Option C. C. ambient co conditions. Correct Anser is. material compatib tibilit(. t(. !"planation. N)*.
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www.easaquestionpapers.blogspot.com Question Number. 15. hen inspecting a eld9 (ou should make sure that. Opti Option on A. the the par paren entt @or @or basi basis s mate materi rial alss are are full full( ( fus fused ed toge togeth ther er.. Optio tion B. B. the e eld ha has in inclusions in inside th the be bead. Optio tion C. C. there are voids ei either side of of the eld. Corr Correc ectt Ans Anse err is. is. the the pare parent nt @or @or bas basis is mat mater eria ials ls are are ful full( l( fus fused ed tog toget ethe herr. !"plan !"planati ation. on. B*D6& B*D6&0 0 1+.1 1+.1 @a @a and and B*D6& B*D6&3 3 '.0 @a and AC0+. AC0+.1+& 1+&1B 1B $age $age 0&30 0&30 $ara. $ara.0&0 0&0'. '.
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