【单选题】【消耗次数:1】
位置精度、
切削力
表面质量
切削速度
背吃刀量
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相关题目
【单选题】 ( )是切削速度、进给量和背吃刀量的总称。
①  切削给量
②  切削总量
③  切削用量
【判断题】 加大进给量比加大背吃刀量有利于减小切削力。
①  正确
②  错误
【判断题】 切削力的大小主要决定于切削速度的高低。
①  正确
②  错误
【判断题】 在切削用量中,背吃刀量和进给量是影响切削力的主要因素,同时影响程度相同,该说法( )
①  正确
②  错误
【判断题】 拉刀切削速度低,切削厚度薄,切削平稳而加工精度高。()
①  正确
②  错误
【判断题】 切削速度越高,切削温度越高。
①  正确
②  错误
【判断题】 复合镗刀的切削速度按小直径镗刀所需选择。()
①  正确
②  错误
【判断题】 车削时为获得高的表面质量应采用中速切削。()
①  正确
②  错误
【判断题】 车削时为获得高的表面质量应采用中速切削。
①  正确
②  错误
【判断题】 用中等切削速度切削塑性金属时最容易产生积屑瘤。
①  正确
②  错误
【判断题】 切削中,对切削力影响较小的是前角和主偏角。
①  正确
②  错误
随机题目
【单选题】 Alicereceived an invitation from her boss, ____came as a surprise.?
①  it ?
②  that ?
③  which ?
④  he?
【单选题】 —What day is today?—Today is____.
①  March 25th
②  Saturday
③  fine
④  cold
【单选题】 This painting is ____ of his work.
①  critical
②  logical
③  typical
④  feature
【单选题】 ____ is essential to a successful scientist; he cannot hope to make any progress if he cannot work in a controlled way.
①  Discipline
②  Decision
③  Declaration
④  Dependence
【单选题】 The airport is five miles ____ my house.
①  away from
②  far from
③  far away from
④  far from away
【单选题】 Many a customer____ about the poor quality of the washing machine.
①  complains
②  complain
③  are complaining
④  have complained
【单选题】 ____ by this, he couldn’t say anything.
①  Satisfied
②  Feared
③  Frightened
④  Encouraged
【单选题】 George is so ____ in debt that he is afraid to show up in the pub in case he meets his six creditors.
①  involved
②  concentrated
③  devoted
④  concerned
【单选题】 Every one was ____that day.
①  in great spirit
②  in all spirit
③  in high a spirit
④  in high spirit
【单选题】 23. The singer and dancer ____ our evening party.
①  is to attend
②  was attend
③  were to attend
④  are attend