【判断题】【消耗次数:1】
实际测量得到的提取尺寸就是尺寸的真值。
正确
错误
参考答案:
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相关题目
【判断题】 测量得到的提取尺寸就是尺寸的真值。
①  正确
②  错误
【判断题】 标注的尺寸不是定位尺寸就是定形尺寸。
①  正确
②  错误
【判断题】 一般来说,零件的提取尺寸愈接近公称尺寸越好。
①  正确
②  错误
【多选题】 尺寸线在图上表示为各部分的实际尺寸,它由( )组成。
①  尺寸标注
②  尺寸界线
③  起止点的短斜线
④  点划线
【判断题】 为了保证建筑制品、构配件等有关尺寸间的统一协调,在建筑模数协调中尺寸分为标志尺寸、构造尺寸、实际尺寸。
①  正确
②  错误
【判断题】 在图样上测量尺寸可以用直尺测量
①  正确
②  错误
【判断题】 在图样上测量尺寸要用分规
①  正确
②  错误
【单选题】 组合体的尺寸分为总尺寸、定位尺寸和( )
①  长度尺寸
②  角度尺寸
③  间距尺寸
④  细部尺寸
【判断题】 实际相对误差:真值是不能确切得到的,通常用实际值A代替真值来表示相对误差 。
①  正确
②  错误
【单选题】 已知某轴的公称尺寸为φ50加工后测得的实际尺寸为φ50.022mm,则实际偏差为 ( )
①  A.0.051mm
②  B.0.050mm
③  C.0.025mm
④  D.0.022mm
随机题目
【单选题】 Our teacher recommended that we _____as attentive as possible when we visit the museum.
①  are
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【单选题】 _____native to North America, corn has now spread all over the world.
①  In spite of
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①  which they are happening
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【单选题】 By the time you graduate, we _____in Australia for one year.
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②  will have stayed
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【单选题】 If you want children to work hard you must _____their interests instead of their sense of duty.
①  appeal to
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【单选题】 Watch out, the boss is disguised _____ your behavior.
①  to
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【单选题】 Classification is a useful _____to the organization of knowledge in any field.
①  means
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③  mode
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【单选题】 Although the main characters in the fiction are so true to life, they are certainly _____.
①  imagining
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【单选题】 I was to have a trip abroad if _____.
①  I had not been fired
②  I was not fired
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【单选题】 He made a quick _____from his illness.
①  relief
②  recovery
③  survival
④  relaxation