中级电焊工试题库(含答案).

(,1.(ABCD2.(ABCD3.(ABCD4.,(ABCD5.(ABCD6.Fe(ABCD7.(FeABCD8.(AACDBECFCPSDDGS9.GS,(ABCD10.(ABCD11.(ABCD12.,(ABCD13.,,(ABCD14.,,,(ABCD15.,(ABCD16.(,ABCD17.,,(A,B,C,D,18.35,,(,A,BC,D19.,,,(ABCD20.(A150~250,B350~500,C500~600D250~35021.,(ABCD22.(ABCD23.,(ABCD24.,(A,BCD25.,,(ABCD26.AC3Acm(,,A10~20B20~30C40~60D30~5027.,(ABCD28.,,(A,B,C,,D,29.,(ABCD30.,,(ABCD31.(,ABCD32.,,(ABCD33.(ABCD36.(ABCD37.(ABCD38.,,(ABCD39.,(,ABCD40.,(,,ABCD41.,(ABCD42.(ABCD43.:(ABCD44.(,ABCD45.(ABCD46.(ABCD47.(ABCD48.(A,BCD,49.(ABCD50.(ABCD51.(ABCD52.(ABCD52.,,,,,(ABCD53.CO2,,(ABCD54.,(ABCD55.(,ABCD56.,U(ABCD57.(ABCD58.(ABCD59.(ABCD60.(ABCD61.(A600~800B1000~2000C6000~8000D9000~950062.(,A1.5B1.6C1.7D1.863.(A1.2B1.4C1.5D1.564.(ABCD65.,(ACO2+COBN2+CO2CCO2+DN2+H266.,,(ABCD67.(ABCD68.(AA+FBF+PCA+Fe3CDP+Fe3C69.,(ABCD70.,(ABCD71.(ABCD72.,(ABCD73CO2,(A.SiMnB.CSiC.FeMnD.CFe74CO2(A.HO8AB.HO8MnAC.HO8Mn2SIADHO8Mn2A75CO2(mmA8B8~15C15~25D2576CO2(LA10B25C40D4577(A1~2B2.5~4C4~5D5~6781mm(ABCD79(ABCD80(ABCD81(A1.2mmB1.2mmC1.6mmD1.2~1.5mm82(ABCD83,(A80%B99%C99.5%D95%84CO210mm,(A0.8mmB1.0~1.6mmC0.6~1.6mmD1.8mm85(,ABCD86(ABCD87(ABCD88(ABCTIGD89,(ABCD90TIG,(A331B321C311D30191,(A5%B10%C15%D20%92,(A1~5%B5~10%C10~20%D20~25%93,(ABCD94,Ar+He(ABCD95(AMEGBTIGCMAGDPMEG96,(A2.0%B1.6%C0.93%D0.78%97(A2500B10000C20000D1200098,,,(ABCD99(ABCD100(ABCD101,(ABCD102(,ABCDCO2103(ABCD1040.01mm,(ABCD105(ABCD106(A50~500B550~600C650~700D800~1000107,,(ABCD108(ABCD109(,,ABCD110(MA1.5B2C3D3.5111(A1B2C3D4112(ABCD113(A1Cr18Ni9TiB16MnCQ235AD15CrMo114(A10mmB20mmC30mmD40mm115(ABCD116(jABC,D117(ABCD118(ABCD119(,A0.6%B0.6%C0.4%D0.4%120(,,ABCD121Ce0.4%,(ABCD122(ABCD12316Mn(ABCD12418MnMoNB(A50B50~100C100~150D15012518MnMoNb,(AE7515D2BE4303CE5015DE5016126(A16MnBCQ235D20g127(ABCD128(A20GB16MnCQ235D15CrMO129,(ABCD130(ASiMnBMOCrCMnPDSTi131(ABCDCO2132(A150~250B250~350C350~450D450~500133(ABCD134,(ABCD135,(ABCD136(AEZCBEZVCEZCQD607137(ABCD138,(AH08Mn2SIBH08ACH08MnADH08H08MnA139,(A331B321C311D301140,(A1025B2850C2050D3000141(A300B400C500D600142(ABCD143(ABCD144,,(ABCD145(ABCD146(ABCD147,,,(ABCD148,(ABCD149(ABCD150(ABCD151(,ABCD152,(ABCD153,,(ABCD154,,(ABCD155,(AXBICD156(ABCD157(,ABCD158,(ABCD159(ABCD160(ABCD161(ABCD162(ABCD163(,AVBICUDX164(ABCD165,(ABCD166,(A3~5B5~10C8~15D10~20167(ABCD168(A1.0~1.25B1.25~1.5C1.5~1.75D1.75~2.0169(A1B1.2C1.15~1.2D1.2~1.5170(ABCD171(ABCD172(ABCD173,(mmA3~4B4~5C5~6D6~7174(ABCD175,(ABCD176(ABCD177(,ABCD178,,(ABCD179(,ABCD180(ABCD181,,,,(ABCD182,(ABCD183,(ABCD184(ABCD185(ABCD186(ABCD187(ABCD188(ABCD189,(A10mmB20mmC30mmD40mm190(ABCD191,(,,ABCD192X30mm,(ABCD193,(ABCD194(ABCD195,(A1.15B1.2C1.25~1.5D1.15~1.2196(A.B.CD197,(ABCD198(ABCD199(ABCD200,(ABCD201,(ABCD202(0.10mmABCD203(ABCD204,(A1~~4mmB2~~5mmC3~~6mmD4~~7mm205(A200~~350B200~~450C200~~550D200~~650206CG2150(ABCD207,,(ABCD208(ABCD209,(ABCD210,,(A3B4C5D6,(1.,((2.(3.,,,(4.(5.,(6.(7.,,,(8.(9.(10.(11.,(12.(13.(14.(15.(16.,(17.,(18.,NS(19.,(20.,(21.,(22.,(23.(24.,(25.(26.(27.500A(28.,(29.,(30.(31.,,(32.,Ar+He,(33.(34.(35.(36.,,(37.(38.,(39.,(40.CO2,,(41.(42.99.5%(43.,(44.NBC------250(45.,(46.NBC250(47.99.9%(48(49(50(51(52,(53(54,(55,(56(57(58(59(60(61,((62,(63(64,,(65,,(66,(67(68,,(69(70,,,,(71,,(72(73,(74(75,(76,,(77,(78,,(79(80,I(81,(82,(83,(84(85(86,6(87(88(89,(90(91,,(92(93(94,(95,,(96,,,(97(98(99,(1001B2B3D4C5C6B7D8D9B10C11D12A13A14A15A16C17A18A19C20C21C22D23D24B25B26D27C28C29C30A31B32A33B36A37A38C39B40A41A42B43B44B45A46C47A48B49A50B51A52B52B53B54A55B56C57A58D59A60D61C62A63D64C65A66A67C68B69A70B71B72A73A74C75B76C77B78B79A80A81C82A83C85B86A87C88D89B90A91D92A93B94A95B96C97C98A99B100A101C102B103C104C105B106A107B108D109A110A111B112A113A114C115D116C117C118A119D120A121A122A123C124D125A126A127B128D129B130B131A132D133B134C135A136C137D138A139A140C141B142A143A144B145B146A147B148C149D150B151C152C153C154C155A156BB157D158A159C160C161B162B163A164B165A166B167D168B169B170A171B172B173C174C175A176A177B178A179A180A181C182D183C184A185D186A187D188D189C190A191A192B193A194D195B196C197D198D199A200B201D202B203D204C205D206107C208C209C210C123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100