【单选题】【消耗次数:1】
数控装置是数控机床的核心。该说法( )
正确
错误
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相关题目
【单选题】 数控机床具有高效率的特点。该说法( )
①  正确
②  错误
【单选题】 下列关于数控机床的特点说法错误的是( )
①  加工零件的适应性强,灵活性好
②  加工精度高,产品质量稳
③  生产率高
④  减少工人劳动强度
⑤  生产管理水平提高
⑥  增加工人劳动强度
【单选题】 数控机床是数值控制的工作母机的总称。该说法( )
①  正确
②  错误
【判断题】 数控装置控制软件的核心是插补。该说法( )
①  正确
②  错误
【单选题】 数控机床上使用的检测装置应满足以下要求( )
①  工作可靠,抗干扰性强
②  使用维护方便,适应机床的工作环境
③  满足精度、速度和机床工作行程的要求
④  成本低
⑤  以上选项都选
【单选题】 关于数控机床的组成包括( )
①  输入输出设备
②  伺服系统
③  测量反馈装置
④  机床主体
⑤  以上说法均正确
【判断题】 数控机床的主轴组件具有较大的刚度和较高的精度。该说法( )
①  正确
②  错误
【单选题】 数控系统是数控机床的重要部分,它随着计算机技术的发展而发展。该说法( )
①  正确
②  错误
【判断题】 开环控制数控机床的特点是控制系统不带反馈装置。
①  正确
②  错误
【单选题】 数控机床是个复杂的系统,由于种种原因,不可避免地发生不同程度、不同类型的故障,导致数控机床不能正常工作。该说法( )
①  正确
②  错误
随机题目
【单选题】 A: Im sorry. Those shoes are not available in your size. B: [填空].
①  No use saying sorry. Thats a real let down
②  Im truly grateful for your help
③  Its just as Ive expected
④  Thats a pity. Thank you anyway
【单选题】 A: [填空]? B: Yes, Id like to open a savings account.
①  What do you want to do, sir
②  Why have you come here
③  Do you have anything to do here
④  Can I help you, sir
【单选题】 A: Bill told me he could not come here because his father was ill. B: [填空]
①  Its good.
②  Thats bad.
③  He is impolite.
④  What a pity!
【单选题】 A: Do you know Marks phone number? B: [填空] . A: OK. I might as well look it up in the phone book.
①  Just a second
②  Not that I know of
③  I cant think of it now
④  Why ask?
【单选题】 A: How long can I keep the book? B: [填空].
①  Any period longer than four weeks, you will be fined
②  Four weeks, but you can renew it if you need it longer
③  You can check it on the computer over there
④  At most four weeks if you dont mind
【单选题】 A: Is it time for us to set off now? B: [填空]. We’ll have to wait for one more hour.
①  Certainly, it is
②  Thats all right
③  Sorry, I am afraid not
④  Sorry,its too long
【单选题】 A: We had a trip to China this summer. B: [填空] A: Yes, we did. In fact, we even encountered a lion.
①  Didnt you?
②  How did it go?
③  I guess you did.
④  I bet you had a great time.
【单选题】 A: Can you give me a hand? B: [填空].
①  I can give you both hands
②  Im all yours
③  The pleasure is mine
④  Ill watch your back
【单选题】 A: When does the next train for London leave? B: Theres one leaving at 8 oclock. A: [填空]
①  Are you sure?
②  OK. I dont want to be late.
③  Thanks. Could you wait for me?
④  Id like one ticket, please.
【单选题】 A: Thank you for inviting me to your birthday party. B: [填空].
①  Dont be so polite
②  You are so polite
③  You are quite welcome
④  Dont use thanks