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焊工操作证考试试题3

2017-09-19 11页 doc 37KB 105阅读

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焊工操作证考试试题3焊工操作证考试试题3 河北省安全生产培训考核统一试题 金属焊接切割作业试题 试卷编号:090200017 (考生注意:本试卷为机器阅卷,请考生将正确答案前的字母序号填涂在答题卡相应的位置上,不要在此卷上直接做答,考试结束后,请将此卷连同答题卡上交,考试时间90分钟。) 一、 判断题: 1、焊接是一种机械联接。( ) A、正确 B、错误 2、消除应力退火属于低温退火,也称为焊后热处理。( ) A、正确 B、错误 3、钝边的作用是防止根部烧穿。( ) A、正确 B、错误 4、钢板厚度在6mm以下,都要开坡口。...
焊工操作证考试试题3
焊工操作证考试试题3 河北省安全生产培训考核统一试题 金属焊接切割作业试题 试卷编号:090200017 (考生注意:本试卷为机器阅卷,请考生将正确答案前的字母序号填涂在答题卡相应的位置上,不要在此卷上直接做答,考试结束后,请将此卷连同答题卡上交,考试时间90分钟。) 一、 判断题: 1、焊接是一种机械联接。( ) A、正确 B、错误 2、消除应力退火属于低温退火,也称为焊后热处理。( ) A、正确 B、错误 3、钝边的作用是防止根部烧穿。( ) A、正确 B、错误 4、钢板厚度在6mm以下,都要开坡口。( ) A、正确 B、错误 5、能够燃烧并能在燃烧过程中放出大量热能的气体称可燃气体。( ) A、正确 B、错误 6、氧的化学性质极为活泼,它几乎能与自然界一切元素(惰性气体除外)相化合生成氧化物。( ) A、正确 B、错误 7、乙炔瓶受到震动,使瓶内填料下沉,形成净空间易使气瓶爆炸。( ) A、正确 B、错误 8、氧气橡皮管与乙炔橡皮管可以通用。( ) A、正确 B、错误 including incentives) to ensure the achievement of the quality objectives. According to the company's quality system documents, combined with the specific circumstances of the project, preparation of project quality manual, procedures and work related to the project implementation rules to improve the quality management system of the project. A management review meeting held each year, on the implementation of the quality policy, objectives and review of the problems and propose corrective measures. Efforts and resources necessary for optimal allocation of project construction management (personnel, finance, facilities, information, etc). 3.2 with customer focus project staff establish a "customer-focused" thinking, fully aware that meet their customers ' needs and expectations is the fundamental pursuit of production and services projects. Projects in production and service processes, to: 3.2.1 identify and determine the needs and expectations of the project legal person, interests as the interests of the customer, with customer satisfaction as satisfied, good faith and cooperation, win-win and development; 3.2.2 needs and expectations of the project legal person into production and service management or technical requirements, and allocation of appropriate resources; 3.2.3 meet legal requirements and strive to exceed their expectations. 3.2.4 customers on the quality of projects put into operation for standards, in accordance with the national standard of quality works. 3.2.5 regulations and standards requires the State and issued by the Ministry of the project related to the current version of the technical specifications, procedures, design institutes and 9、电弧切割特别适用于开v型坡口。( ) A、正确 B、错误 10、交流焊机的空载电压比直流焊机低,因此交流焊机不会有空载电压触电事故。( ) A、正确 B、错误 11、在进行厚钢板的深坡口切削时,宜采用分段多层切削法。( ) A、正确 B、错误 12、氩弧焊时会产生强度较高的紫外线和红外线,因此焊接时应加强防护。( ) A、正确 B、错误 13、等离子弧的温度之所以高,是因为电弧受到三种压缩作用的结果。( ) A、正确 B、错误 14、惰性气体炉中钎焊时,常用氦气作为保护气体。( ) A、正确 B、错误 15、进入容器内采用气焊时,为防止乙炔在容器内集聚,点火、熄火应该在容器外部进行。( ) A、正确 B、错误 16、高处作业时,火星所及的范围内,必须彻底清除可燃易爆物品。( ) A、正确 B、错误 17、水下焊接时,为了保持稳定,应用双手接触工件、地线及焊条。including incentives) to ensure the achievement of the quality objectives. According to the company's quality system documents, combined with the specific circumstances of the project, preparation of project quality manual, procedures and work related to the project implementation rules to improve the quality management system of the project. A management review meeting held each year, on the implementation of the quality policy, objectives and review of the problems and propose corrective measures. Efforts and resources necessary for optimal allocation of project construction management (personnel, finance, facilities, information, etc). 3.2 with customer focus project staff establish a "customer-focused" thinking, fully aware that meet their customers ' needs and expectations is the fundamental pursuit of production and services projects. Projects in production and service processes, to: 3.2.1 identify and determine the needs and expectations of the project legal person, interests as the interests of the customer, with customer satisfaction as satisfied, good faith and cooperation, win-win and development; 3.2.2 needs and expectations of the project legal person into production and service management or technical requirements, and allocation of appropriate resources; 3.2.3 meet legal requirements and strive to exceed their expectations. 3.2.4 customers on the quality of projects put into operation for standards, in accordance with the national standard of quality works. 3.2.5 regulations and standards requires the State and issued by the Ministry of the project related to the current version of the technical specifications, procedures, design institutes and ( ) A、正确 B、错误 18、焊接电缆绝缘应每年检查一次。( ) A、正确 B、错误 19、爆炸极限范围越小,则爆炸的危险性越大。( ) A、正确 B、错误 20、噪声对人体危害程度与频率及人的听力有关。( ) A、正确 B、错误 二、单项选择题: 21、利用电弧的电量加热并熔化金属进行焊接的称( B )。 ,、电弧焊 ,、电渣焊 ,、磨擦焊 ,、气焊 22、对于焊接结构,经( B )后,能改善焊接接头性能,可消除粗晶组织不均匀。 ,、淬火 ,、回火 ,、正火 ,、退火 23、对焊缝质量影响量大的缺陷是( D )。 ,、气孔 ,、夹渣 ,、缩孔 ,、裂纹 24、气焊是利用( D )转变为热能的一种熔化焊。 ,、机械能 ,、光能 ,、物理能 ,、化学能 25、乙炔与空气混合燃烧时产生的火焰温度为( B )。 ,、2000? ,、2350? ,、2550? ,、3100? 26、乙炔与空气或氧气混合达到自燃温度在( D )下也能爆炸。 ,、高压 ,、一定体积 ,、一定浓度 ,、大气压力 including incentives) to ensure the achievement of the quality objectives. According to the company's quality system documents, combined with the specific circumstances of the project, preparation of project quality manual, procedures and work related to the project implementation rules to improve the quality management system of the project. A management review meeting held each year, on the implementation of the quality policy, objectives and review of the problems and propose corrective measures. Efforts and resources necessary for optimal allocation of project construction management (personnel, finance, facilities, information, etc). 3.2 with customer focus project staff establish a "customer-focused" thinking, fully aware that meet their customers ' needs and expectations is the fundamental pursuit of production and services projects. Projects in production and service processes, to: 3.2.1 identify and determine the needs and expectations of the project legal person, interests as the interests of the customer, with customer satisfaction as satisfied, good faith and cooperation, win-win and development; 3.2.2 needs and expectations of the project legal person into production and service management or technical requirements, and allocation of appropriate resources; 3.2.3 meet legal requirements and strive to exceed their expectations. 3.2.4 customers on the quality of projects put into operation for standards, in accordance with the national standard of quality works. 3.2.5 regulations and standards requires the State and issued by the Ministry of the project related to the current version of the technical specifications, procedures, design institutes and 27、氢与氧形成的爆炸混合物的爆炸极限范围是(D )。 ,、3.5,81% ,、4,80% ,、4,93% ,、4.6,93.6% 28、乙炔瓶气密性试验压力为( D )。 ,、3.0MPa ,、4.5MPa ,、5.2MPa ,、6.5MPa 29、射吸式焊割炬在使用前必须检查其( C ) ,、压力情况 ,、咀子大小 ,、射吸情况 ,、开关灵敏 30、碳弧气刨是利用压缩空气气流将( D )吹除,进行刨削的过程。,、金属磨屑 ,、金属蒸气 ,、过烧金属 ,、熔化金属 31、焊条使用前进行烘干的目的主要是( B )。 ,、保证焊缝的抗拉强度 ,、去掉药皮中的水份 ,、降低药皮中的含氧量 ,、改善脱渣性能 32、我国规定500A以下的焊机选定工作时间周期为( C )min。 ,、3 ,、4 ,、5 ,、6 33、当焊机接通电网而输出端没有接负载时,焊接电流为零,此时输出端的电压称为( B )。 ,、短路电压 ,、空载电压 ,、焊接电压 ,、负载电压 34、电焊钳应保操作灵便,焊钳重量不得超过( D )克。 ,、100 ,、300 ,、500 ,、600 35、等速送丝式的焊机要采取( A )系统。 ,、电弧自身调节 ,、电弧电压自动调节 ,、电弧强迫调节 ,、电弧电压强迫调节 36、钨极氩弧焊时,目前建议采用的钨极是(C )。 including incentives) to ensure the achievement of the quality objectives. According to the company's quality system documents, combined with the specific circumstances of the project, preparation of project quality manual, procedures and work related to the project implementation rules to improve the quality management system of the project. A management review meeting held each year, on the implementation of the quality policy, objectives and review of the problems and propose corrective measures. Efforts and resources necessary for optimal allocation of project construction management (personnel, finance, facilities, information, etc). 3.2 with customer focus project staff establish a "customer-focused" thinking, fully aware that meet their customers ' needs and expectations is the fundamental pursuit of production and services projects. Projects in production and service processes, to: 3.2.1 identify and determine the needs and expectations of the project legal person, interests as the interests of the customer, with customer satisfaction as satisfied, good faith and cooperation, win-win and development; 3.2.2 needs and expectations of the project legal person into production and service management or technical requirements, and allocation of appropriate resources; 3.2.3 meet legal requirements and strive to exceed their expectations. 3.2.4 customers on the quality of projects put into operation for standards, in accordance with the national standard of quality works. 3.2.5 regulations and standards requires the State and issued by the Ministry of the project related to the current version of the technical specifications, procedures, design institutes and ,、钝钨极 ,、钍钨极 ,、铈钨极 ,、锆钨极 37、二氧化碳气体预热器所使用的电压不得高于( C )伏。 ,、12 ,、24 ,、36 ,、48 38、使用等离子弧进行金属焊接和切割时大多采用( B )。 ,、非转移型弧 ,、转移型弧 ,、联合型弧 ,、微束型弧 39、贴有聚氯乙烯塑料的钢板凸焊时,为保护贴面不被破坏,必须采用( C )焊接。 ,、较大的焊接电流 ,、较高的焊接电压 ,、较短的焊接电流 ,、较大的焊接压力 40、焊时,对于大批量生产必须快速清除氧化膜的场合,中采用(D )。,、手工方法 ,、机械方法 ,、化学浸蚀法 ,、电化学浸蚀法 41、铅中毒的主要现不包括( C )。 ,、神经衰弱 ,、肺炎 ,、贫血 ,、周围神经炎 42、在禁火区内进行焊接或切割作业,必须按规定申请办理(D )。,、焊接证 ,、切割证 ,、工作证 ,、动火证 43、登高作业时,脚手板上下坡的斜度不得大于( D )。 ,、1:0.5 ,、1:1 ,、1:2 ,、1:3 44、电量的单位是( C )。 ,、亨利 ,、居里 ,、库仑 ,、欧姆 45、焊接设备在使用中发生故障,焊工首先应做的是(A )。 ,、立即切断电源,通知电工检查修理 including incentives) to ensure the achievement of the quality objectives. According to the company's quality system documents, combined with the specific circumstances of the project, preparation of project quality manual, procedures and work related to the project implementation rules to improve the quality management system of the project. A management review meeting held each year, on the implementation of the quality policy, objectives and review of the problems and propose corrective measures. Efforts and resources necessary for optimal allocation of project construction management (personnel, finance, facilities, information, etc). 3.2 with customer focus project staff establish a "customer-focused" thinking, fully aware that meet their customers ' needs and expectations is the fundamental pursuit of production and services projects. Projects in production and service processes, to: 3.2.1 identify and determine the needs and expectations of the project legal person, interests as the interests of the customer, with customer satisfaction as satisfied, good faith and cooperation, win-win and development; 3.2.2 needs and expectations of the project legal person into production and service management or technical requirements, and allocation of appropriate resources; 3.2.3 meet legal requirements and strive to exceed their expectations. 3.2.4 customers on the quality of projects put into operation for standards, in accordance with the national standard of quality works. 3.2.5 regulations and standards requires the State and issued by the Ministry of the project related to the current version of the technical specifications, procedures, design institutes and ,、立即切断电源,自行检查修理 ,、带电检查修理 ,、立即领导 46、物质受热升温而不需明火就能自行燃烧的最低温度称(B )。 ,、燃点 ,、自燃点 ,、闪点 ,、沸点 47、人在火场中有窒息中毒的危险是因为( B )有一定的窒息性和毒性。 ,、可燃物 ,、燃烧产物 ,、氧或氧化剂 ,、着火源 48、发生火灾、爆炸事故之后的“三不放过”不包括( D )。 ,、事故原因未查清不放过 ,、整改措施未到位不放过 ,、事故责任未追纠不放过 ,、事故损失未查清不放过 49、按我国卫生规定,在焊接过程中产生的锰及其化合物的最高允许浓度为( A ) ,、0.1 ,、0.2 ,、0.3 ,、0.4 50、焊工接触高浓度尘气,可能引起急性化学性肺炎的是( A )。 ,、锰蒸汽 ,、铅蒸汽 ,、氧化铁粉尘 ,、臭氧 including incentives) to ensure the achievement of the quality objectives. According to the company's quality system documents, combined with the specific circumstances of the project, preparation of project quality manual, procedures and work related to the project implementation rules to improve the quality management system of the project. A management review meeting held each year, on the implementation of the quality policy, objectives and review of the problems and propose corrective measures. Efforts and resources necessary for optimal allocation of project construction management (personnel, finance, facilities, information, etc). 3.2 with customer focus project staff establish a "customer-focused" thinking, fully aware that meet their customers ' needs and expectations is the fundamental pursuit of production and services projects. Projects in production and service processes, to: 3.2.1 identify and determine the needs and expectations of the project legal person, interests as the interests of the customer, with customer satisfaction as satisfied, good faith and cooperation, win-win and development; 3.2.2 needs and expectations of the project legal person into production and service management or technical requirements, and allocation of appropriate resources; 3.2.3 meet legal requirements and strive to exceed their expectations. 3.2.4 customers on the quality of projects put into operation for standards, in accordance with the national standard of quality works. 3.2.5 regulations and standards requires the State and issued by the Ministry of the project related to the current version of the technical specifications, procedures, design institutes and
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