【判断题】【消耗次数:1】
钎焊是焊接时,钎料和焊件都熔化进行焊接的。
正确
错误
参考答案:
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相关题目
【判断题】 焊接45钢刀杆和硬质合金刀头用黄铜焊丝熔化充填焊缝完成焊接,故这种焊接属于熔化焊。
①  正确
②  错误
【单选题】 钎料的熔点低于450℃的钎焊为
①  硬钎焊
②  软钎焊
③  钎焊
【单选题】 钎料熔点在450℃以上的钎焊为
①  硬钎焊
②  软钎焊
③  钎焊
【单选题】 为验证拟定的焊件焊接工艺的正确性所进行的试验过程及结果评价是()
①  A焊接作业卡
②  B焊接工艺评定
③  C焊接质量证明文件
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【单选题】 为验证所拟定的焊件焊接工艺的正确性而进行的试验过程及结果评价是()
①  A.焊接工艺规程
②  B.焊接工艺评定
③  C.焊接作业指导书
④  D.焊接质量评定标准
【单选题】 除闪光对焊外,所有其他焊接连接方式焊接时均应控制:
①  焊条质量
②  钢筋种类
③  接头形式
④  电流不易过大
【判断题】 立焊等位置焊接。
①  正确
②  错误
【判断题】 45钢刀杆和硬质合金刀头是用硬钎焊焊接的。
①  正确
②  错误
【判断题】 罐壁焊接工艺焊接工艺原则:先焊纵向焊缝,后焊环向焊缝
①  正确
②  错误
【判断题】 当用钢筋牌号是HRB335的材料进行帮条焊和搭接焊,可用E4303焊条进行焊接。
①  正确
②  错误
随机题目
【单选题】 I’ll pick you up as promised, ____it rainy or fine.
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①  It’s OK with me
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④  I don’t care
【单选题】 The room was so quiet that she could hear the____ of her heart.
①  hitting
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①  At all ?
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【单选题】 In ____ recent years, Niagara Fallshave come to be appreciated more for their natural beauty as _______ wonder of nature.
①  the; a
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①  awake…asleep ?
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【单选题】 By the end of last month, she ____ over five hundred letters of congratulation from different parts of the world.
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①  with
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①  realize ?
②  mean ?
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