【判断题】【消耗次数:1】
为减轻磨削烧伤,可加大磨削深度。
正确
错误
参考答案:
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相关题目
【判断题】 磨削时,易产生高温,因此会产生“磨削烧伤”现象。“磨削烧伤”是指磨削过程中工件表面的温度很高,使材料产生了金相组织的变化。
①  正确
②  错误
【单选题】 用高速运动的砂带作为磨削工具磨削各种表面的方法称为( )
①  宽砂磨削
②  砂带磨削
③  缓进给深磨削
【判断题】 磨削噪声大,粉尘多这不属于磨削工艺的特点,该说法( )
①  正确
②  错误
【判断题】 平面磨削的加工质量比刨削铣削都高,还可加工淬硬零件。
①  正确
②  错误
【判断题】 磨削机床导轨面时,以导轨面自身作为定位基准,以保证磨削余量均匀。
①  正确
②  错误
【单选题】 ()不适于采用磨削加工。
①  碳钢
②  铸钢
③  合金钢
④  有色金属
【单选题】 磨削加工过程中,绝大多数的磨削热都传递给了()。
①  刀具
②  工件
③  切屑
④  周围介质
【单选题】 普通外圆磨削的砂轮宽度约为多少,而宽砂轮外圆磨削砂轮宽度可达多少 ( )
①  100mm,300mm
②  50mm,100mm
③  50mm,300mm
【单选题】 用磨料磨具对工件进行磨削加工的机床称为( )
①  插削机床
②  拉削机床
③  磨削机床
【单选题】 磨削过程实质也是一种
①  焊缝
②  电弧焊
③  铸-焊
④  切削
随机题目
【单选题】 20.Nice day,isnt ________?
①  that
②  it
③  all
④  with
【单选题】 19.Though she talks little, she has made _______ friends here.
①  a few
②  few
③  littlle
④  a little
【单选题】 14.I will ________ the tea for you.
①  burn
②  cook
③  make
④  catch
【单选题】 I noticed she avoids making any reference _______ her first husband in her latest
①  with
②  in
③  on
④  to
【单选题】 In all his songs the great composer expresses a longing ________ his own country.
①  of
②  abou
③  for
④  to
【单选题】 It’s ___________ to see these tiny children play the piano so beautifully.
①  amaze
②  amazingly
③  amazed
④  amazing
【单选题】 I should think they have done it ________, to avoid paying you the money.
①  with purpose
②  on purpose
③  in purpose
④  to purpose
【单选题】 It is a huge task to ______ all the rooms in the building in such a short time.
①  go ahead with
②  keep up
③  clean up
④  work out
【单选题】 It is common knowledge that dogs have a _______ sense of smell.
①  thoughtful
②  slim
③  keen
④  absorbed
【单选题】 The old lady was _______ to the young man who helped her find her lost generation.
①  touched
②  cheerful
③  gratefu
④  generous