【判断题】【消耗次数:1】
通过敲击零件,根据零件发出的声音来判断零件有无缺陷,如声音清脆,表明零件完好
正确
错误
参考答案:
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相关题目
【判断题】 通过敲击零件,根据零件发出的声音来判断零件有无缺陷,如果声音沙哑,表明零件内部有缺陷
①  正确
②  错误
【单选题】 下列零件中,()属于专用零件。
①  螺钉
②  螺母
③  起重吊钩
④  平键
【单选题】 用于组装零件用()
①  草绘模块
②  零件装配模块
③  曲面模块
④  工程图模块
【单选题】 装配图和零件图比较,装配图比零件图多( )
①  标题栏
②  零件编号
③  尺寸
④  视图个数
【单选题】 通过编辑命令对零件的尺寸进行修改后,零件必须( )。
①  屏幕刷新
②  再生
③  重新定义
④  无须做任何操作
【多选题】 零件图的尺寸()
①  要求能确定零件各部分形状大小
②  要求尽量简洁
③  要求能满足制造、工艺、检验、装配等方面的要求
④  要求能确定零件各部分相对位置
⑤  不需满足制造、工艺、检验、装配等方面的要求
【判断题】 装配零件时,零件最后位置同约束选取的顺序有关。
①  正确
②  错误
【多选题】 以下零件中,维修后有必要进行平衡检验的零件是()
①  离合器压盘
②  传动轴
③  连杆
④  曲轴
【多选题】 零件根据结构一般被分为六大类。以下零件()属于这六大类。
①  轴类零件
②  盘套类零件
③  齿轮类零件
④  螺纹类零件
【多选题】 轴套类零件()
①  主视图投影方向与轴线平行
②  一般用一个基本视图来表达
③  在主视图中应在正前方显示键槽形状
④  键槽深度和销孔直径可用断面图表达
随机题目
【单选题】 He was totally not aware when the thief _____ his wallet from him.
①  tricked
②  stole
③  robbed
④  deceived
【单选题】 You _____business interfering with my affairs.
①  have none
②  have no
③  have none of the
④  have nothing like
【单选题】 _____is announced in the papers, our country has launched a large scale movement against smuggling and fraudulent activities in foreign currency exchange deals.
①  What
②  As
③  Which
④  That
【单选题】 The board deemed it’s urgent that these invitations _____first thing tomorrow morning.
①  had to be put in the mail
②  must be put in the mail
③  be put in the mail
④  should have been put in the mail
【单选题】 Once _____, this power station will supply all the neighboring towns and villages with electricity.
①  it being completed
②  it completed
③  completed
④  it completes
【单选题】 An emergency _____ is very important in case of fire.
①  exit
②  deposit
③  discharge
④  elaborate
【单选题】 They saw a new movie at the theatre, _____ they had dinner at a Chinese restaurant.
①  then which
②  which after
③  after which
④  after that
【单选题】 Both sides agree to establish a _____ zone between the south and north.
①  midst
②  mild
③  mention
④  neutral
【单选题】 It took a lot of imagination to come up with such an _____plan.
①  bright
②  clever
③  brilliant
④  ingenious
【单选题】 It has been proposed that we _____our decision until the next meeting.
①  delayed
②  delay
③  can delay
④  are to delay