【判断题】【消耗次数:1】
加工表面的设计基准和定位基准重合时,不存在基准不重合误差。
正确
错误
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相关题目
【判断题】 设计基准和定位基准重合时,不存在基准不重合误差。
①  正确
②  错误
【单选题】 定位误差是由于工件在夹具或机床上定位不准确而引起的加工误差?当工件的工序基准与()不重合时,将会产生定位误差?
①  设计基准
②  测量基准
③  定位基准
④  装配基准
【单选题】 定位误差是由于工件在夹具或机床上定位不准确而引起的加工误差。当工件的工序基准与()不重合时,将会产生定位误差。
①  设计基准
②  测量基准
③  定位基准
④  装配基准
【单选题】 选择被加工表面的设计基准作为加工时的定位基准,该原则称为( )
①  基准重合原则
②  基准统一原则
③  自为基准原则
【判断题】 选择定位基准时,应遵循“基准重合”原则,以保证加工精度。“基准重合”是指加工过程中尽量选择同一个基准为定位基准。
①  正确
②  错误
【判断题】 定位基准应尽可能与工序基准重合。()
①  正确
②  错误
【单选题】 选择定位基准时,应遵循()原则,即设计基准与定位基准为同一个基准?
①  基准重合
②  基准统一
③  互为基准
④  自为基准
【单选题】 选择定位基准时,应遵循()原则,即设计基准与定位基准为同一个基准。
①  基准重合
②  基准统一
③  互为基准
④  自为基准
【判断题】 粗加工所用的定位基准称粗基准,精加工所用的定位基准为精基准。
①  正确
②  错误
【判断题】 在两个不同的工序中,都使用同一个定位基准,即为基准重合原则。
①  正确
②  错误
随机题目
【单选题】 An example of dramatic monologue is _____________.
①  Don Juan
②  When We Two Parted
③  My Last Duchess
④  The Waste Land
【单选题】 The heroine Tess in Tess of the Durbervilles seems to be led to her final destruction step by step by ______, as Hardy says at the end of the novel: “Justice was done, and the President of the Immortals had ended his sport with Tess.”
①  Angel Clare
②  Alec
③  Fate
④  Jude
【单选题】 In depiction of his characters, Dickens is famous for_____.
①  those innocent, virtuous, persecuted, hopeless child characters
②  those horrible and grotesque characters
③  those broadly humorous or comical ones
④  all the above
【单选题】 Which of the following writing is not the work by Charles Dickens?
①  Tale of Two Cities
②  Hard Times
③  Oliver Twist
④  Sons and Lovers
【单选题】 Wuthering Heights is known today as __________most fascinating novel.
①  Charlotte Bront?’s
②  Anne Bront?’s
③  Emily Bront?’s
④  George Eliot’s
【单选题】 Hardy’s local-colored works are known as “novels of character and _____.”
①  personality
②  nature
③  domestic life
④  environment
【单选题】 ____ is not a Victorian novelist.
①  Charles Dickens
②  George Eliot
③  William Makepeace Thackeray
④  D. H. Lawrence
【单选题】 Chronologically the Victorian period roughly coincides with the reign of Queen _____ who ruled over England from 1836 to 1901.
①  Elizabeth
②  Victoria
③  Mary
④  Anne
【单选题】 Who is the primary narrator of the novel Wuthering Heights?
①  Catherine
②  Heathcliff
③  Nelly
④  Lockwood
【单选题】 “__________” is Byron’s masterpiece, a great comic epic of the early 19th century. It is a poem based on a traditional Spanish legend of a great lover and seducer of women.
①  Child Harold’s Pilgrimage
②  Don Juan
③  The Prisoner of Chillon
④  The Island