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国际焊接工程师考试真题.pdf

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1、IWE Z,S-W/1 G5 Q4 O参考题（焊接工艺）1.对于 TIG 焊所用的电极，下列哪种说法正确？A:在交流 TIG 焊中无法用纯钨极；B:5 B2 o)N3 m$q常用的电极直径为2.4mm S%(5 r-u9 H9 x;p3 4 W C:!2 f&S x0 v8 不熔化的电极使用寿命较长；D:焊接铁素体及铬钢时电源接正极；E:交流所用电极磨削角度为452.焊接时的保护可由药皮中的下列元素产生：A:%I5 o1 7 s%A:L有机物 V&o f9 l$5 z/N5 B:造渣剂C:石墨D:,i3 X0|0 T!k4 P o4 7 U c碳酸盐.B t9 w&H%r9 W6 E:水玻璃3

2、.按 EN440规定,G4SiL 焊丝中 Mn含量为:*q/E7|%d:K,Y|A:1%;.8 e)n6 c.f/F+B:1.3%4 M,V*D%U$L+T;d3 k*C:M0 g9 z&K$n9 1.8%,T&K d3 A*r:dD:2.3%:D.C1 v9 k*z;w%G0 K.E:.q1 D$g;S9 U A:Z.i f9 t4.4%4.熔化极气体保护焊中,估算焊丝干伸长度的经验公式为:.K:I,t;D6 T6 J9 n,eA:K=10d B:k=30d C:k=15!p2 9 G-J.m8 X:D:k=10 E:k=4.4%5.8 6 H 0 o;s*G2 短弧特别适用于下述焊接条件:

3、+B8 K;_8 ;|sA:薄板焊8 q!O8 L s:r%&i*M9?%T;B:9 M-R(t+H-B0 U#k:x V Q&立向下焊&G/M*i b6 C:#X _4|:w#v&h#立向上焊D:厚板平角焊E:打底焊道焊接#H4 q1 Q3 j2 6.按 EN499标准,药皮焊条 E422MnmoRR74H10具有下列性能:A:最小抗拉强度为 420N/mm2；B:在-20时最小冲击值为28J3 G9 v#P;R:5 I2 C:;k*s2 P+c%t厚药皮焊条;D:适用于在 PF和 PG焊接位置;E:熔敷率大于 160%,且可交流焊接7.9 D!N8 a.-k(n6 O:在什么条件下采用碱性

4、药皮焊条最合适?A:要求焊缝表面光滑(酸);/G-f4 3(c(j.B6 zB:对焊缝质量及韧性要求较高时;*y6 s4 d4 E/C:3 y9 d(V#g9 S6 Q!w%O:c!Z文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I

5、2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3

6、I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H

7、3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7

8、H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX

9、7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 Z

10、X7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4

11、ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10要求焊缝熔深较大;D:进行 PG位置生产时;9 W)5 h&q&*PE:要求具有特别高的熔敷率时;8.在确定埋弧焊中合金元素的烧损及过渡时,通常采用下列哪种化学成份来进行?A%3 X%m+I3 N!a)A:构件上的接头焊缝金属;2|9 _,K*j$S0 B:构件上的接头焊缝与焊丝;%q&E&t9 O(F8-/v.C:纯焊缝金属与母材;4 G0 m.x5 v/N0 x E4 f!e-v7 D:纯焊缝金属与焊丝;E:构件上的接头焊缝与母材.0 T4 o+S&a#J7 r9 S9 i9.按

12、 EN756-S465FBS2Ni1 进行焊丝-焊剂组合埋弧焊,可获得下列性能:6 c),5 M)A;R6 tA:当最小延伸率为 20%时,最小屈服强度为 Re=460N/mm2;9 P9/x!w&q5 XB:焊丝中的 Mn含量为 2%;3 x,P)i*2 J+Q1 L;w#W O1 C:焊剂杂质少且呈碱性的熔炼焊剂;D:焊剂含氟化物-碱性;/M:I Z0 R;V9 O+U wE:焊缝冲击值 50时为 42J;r R/h8 t0 j*K3 S6 u+v&S5 N m/10.U!w*Q1 l1 s3 L.%W-G;E哪些元素使得金红石焊条再引弧容易?A:熄弧后再引弧前焊条端部平齐;B:焊条端部的

13、药皮渣壳具有良好的导电性;3 T%H)o9 K C:电流密度较高;D:电流脉冲的叠加11.+i;y1 D1 F7 F6 E1 P4 u高效焊条的主要优点是什么?A:高熔敷率;z0 O#z/u:N:i(#Z1 B:焊条可搭在工件上焊接;0 6 E C#4 m*G:NC:低的热输入;D:良好的受限制位置的焊接;4 R:t%E9 I4 z/0 文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文

14、档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10

15、文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G1

16、0文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G

17、10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10

18、G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R1

19、0G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R

20、10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10E:良好的焊缝机械性能.F/c$v%,.8 12.E:A4 R(l.A+I/R3 y o,W$l9 v 4 埋弧焊适合于哪些焊接位置?8 j&x/g(|8?7 q+i9 A:平焊;1*O3 0 M,E0 r6 1 B:立向下焊;C:平角焊;!n(x,p2 W%D:横焊13.s a6 n!Q/u4(s!i2 G,X2 E埋弧焊主要作

21、用于下列哪种板厚的焊接？3 i)N%W$/8 8 o4 P0 Y0 SA:-c U8 4 U!P)n9 0.5 2mm;B:;V:d0 B#o!G5 G$B s650mm;C:25mm;-Q3 T a/p.i!bD:5 _$R%m v3 O!a7 50mm(t*d-c(l&s*t7 d9)h8 F)S#z;E&q.14.M!E s$H2 z9 N8 Q.u+按 DIN1910分类方法中的物理过程分类，下列哪种属于压力焊法？:V.Z+k)g:w;H6:n%GA:弹力电弧焊；B:热剂铸模焊；C:电弧销钉焊;7 T8 P4 d8 F1 H9 y w0 vD:锻焊;E:CO2 焊 G4 S w G:Q

22、0 U8 f%F#G*15.z U8 B c8 3 S v._-p9 H#J4 _按 DIN1910T4气体保护焊分类方法，下列哪些分类属于金属极气体保护焊？A:气电立焊；B:混合气体焊；6 V0 F1 u&6 k&N#_:hC:等离子弧焊；D:等离子束焊；E:CO2 焊8.e+n;T0 C!O&k4 g%16.#h/h!O7 U5%W:c9 q/按 DIN1910T5，下列哪种方法属于电阻压力焊？文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F

23、2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8

24、F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J

25、8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5

26、J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A

27、5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7

28、A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS

29、7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10A:滚压焊；f*)m/z(L;L&h0 H9 b:B:密封罩式压力焊；C:电渣焊；/5 j5 M/v4 D9 z-Z:|D:箱式焊；E:凸焊.5 u*N)N:w U5 x%C#a$e(_17.0 P*J l*;r+u)J4 X关于气焊焊丝标记50KgSchWEI Sta

30、bleDIN8554-GV-SX750 中,下列哪些说法是正确的?A:分组号为 50kg;B:焊丝标准号为 DIN8554;&z7 f8 z2 u4:zC:级别为 GV;$S/N9 f6 g(_0 i+q*mD:焊丝长度为 750mm;E:类别号为 3.2 o0 M7 I)P1 v u*18.下列哪些因素影响火焰切割质量?I:f)F&g#I$S a2 U*A(rA:气体流量;B:切割嘴寿命;3 v;)R*w;e:C:工件化学成份;D:工件坡口;E:工件环境温度*T2 Y2 w8 C6 19.7 E%_&d,L+T1 y+-w5 M1 V%P3 i#按照 ENIS9013标准,工件尺寸偏差适用于

31、:6 A&I;X)y0 l2 a#t,W-Z9 B6 rA:图纸上已说明公差尺寸;0 l1 k)o9 v X0!O!FB:长宽比 4:1 的工件;C:切割周长 350mm 的工件;7 x$c)Y Q3 x!r(Q)ID:工件厚度 100mm 的工件20.#_%;j9 h n)2 B*U1 S1 O-W2 m9 l8 O/s&S确定出按 ENIS9013标准化评价割口质量的两个重要判据:;x$K2 _4 A:熔化量;%&B X)Q:%B:直角和斜角误差;(_;a4 p!m&z C:割渣;D:割槽的深度和宽度;E:平均粗糙度.8 X5 M-n F5 H*$p1 X21.w!w9 C%Q7 Y&m

32、X+d k文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2

33、R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I

34、2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3

35、I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H

36、3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7

37、H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX

38、7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10电阴焊时可通过何种措施来减小电极和工件表面之间的接触电阻?#D

39、5 w9 X,H#A:干净的电极表面;B:粗糙的工件表面;.t j+l U+W$I;C:减小接触面积;D:提高电极压力;E:降低电极压力.0 O*h/z;V:l:c#M7 r-x4 I+G22.%e&b!F;C O!h&W1 电阻点焊时,如何中提高焊点强度?9 C6 S3 p/H/M7 jA:在相同的 I es 下加大电极接触面;B:在相同的电极接触面条件下,提高电流密度;C:加大电极压力;D:在相同焊接电流下,焊接铝而不是焊接钢时.23.(k4!B k0 b5 Y$8 b4 s2 t7 v8 T*n.h-o6 A7 r关于热喷涂技术,下列哪种说法是正确的?A:热喷涂技术是表面化工程之一;B:

40、任何固体物质上都有可以喷涂;C:2 y Z w3 C.q6+e&$u1 M z#P碳化钨喷涂层硬度最高;D:超音速喷涂质量高的原因是粒子的高速运动形成的;E:轧辊修复可用热喷涂进行.24.%e)0 b:U+喷涂层与基体的结合是通过下列哪些作用实现的?:d6 2 p J4 m7 S+:A:微观机械夹持作用;.J-X p-$6 v$n:FB:相当于焊接的熔化作用;*d6 m#S)q;X,D+C:微观焊接作用;:+S/S0 E;o7 N*X;h9 D:扩散作用;1 t;E;G/n&V&CE:堆焊作用.5 E.J8$K*N+C25.Q4 p1 o/*w,y8 f2 F.q K;)a堆焊具有下列哪些特点

41、?A:较高的熔敷速度;B:较高的稀释率;5 7:x!Z(?$_6 j.c9 r1 v5 g:X0 j4/-d(i文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4

42、 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F

43、4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10

44、F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B1

45、0F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B

46、10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1

47、B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V

48、1B10F4 ZX7H3I2R10G10C:单丝埋弧焊的稀释率比多丝埋弧低;D:熔化极气功体保护焊可用于堆焊.Z.o7 8 x%h(g F/26.关于金属的磨损,下列哪些说法是正确的?5 a-h(o o-u1 X$Q)A:粘着磨损和麻料磨损是金属磨损的主要形式;B:金属与金属之间的磨损称为磨料磨损;C:化学腐蚀和电化学腐蚀属于磨损;6 s$o.R6 gD:热轧辊的损坏是热疲劳磨损.$Z#w3 J!w1 w9 h2 27.;h$K4 v9 R3 K4 _)C堆焊的技术指标包含下列内容:A:熔敷速度 30KG/h;D:稀释率 10%;9 j!y8 5 3 N4 M8 4 sE:稀释率 6mm./X

49、5 W8 A!J3 31.电渣焊的适用厚度范围为:!L1 p%I5 m1,KA:)U,E1 l.l9 U,l30mm;C:80mm;.N7 R&,O6 r5 4 y X D:200mm.+2 R;f9 I:b2 6 32.h+h3 G&z1 G3 s!G q,_)l对质量等级为 I,工件尺寸偏差为 A级的切割面质量标记为:A:IS09013-IA;B:IS09013-AI/Y+v.?/h9 t,GC:IS09013-IA-23;5 y0 p:H0 C*y6 D9 k,J1:vD:IS09013-23-IA.6 S#i1 f4 Y a*|(Z0 t33.具有下降特性的手工焊焊机的暂载率为:+X)

50、d8 t-t%A,r8 R5|,o!6 RA:$?,_1 y+_$/r&s&h35%;B:60%;C:I-J0?0 100%;1 S6 R.Y-N!D:A、B、C均正确34.文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G10文档编码:CS7A5J8F2M8 HY9T4V1B10F4 ZX7H3I2R10G

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