3533智慧树知到《数控技术英语》章节测试答案9756

智慧树知到《数控技术英语》章节测试答案,智慧树 知到 数控技术英语的答案如下：
智慧树知到《数控技术英语》章节测试答案

第一章

1、Numerical control is designed to control the operation of a machine tool by a series of coded instructions called a program.

A:对

B:错

答案: 对

2、A part program is stored in the form of blocks of information, and each block has the numerical data needed to manufacture a segment of the work-piece.

A:对

B:错

答案: 对

3、Like a conventional machine tool, the NC system can’t replace the manual actions of the operator either.

A:对

B:错

答案: 错

4、数字模拟转换器的英语全称是

A:Analog Digital Converter

B:Digital Analog Converter

C:Central Processing Unit

D:Basic Revolution Unit

答案: Central Processing Unit

5、模拟数字转换器的英语缩写是____

A:APT

B:DDT

C:DDC  

D:ADC

答案: ADC

第二章

1、An important advance in the philosophy of NC of machine tools was the shift toward the use of controller units instead of computers in NC systems.

A:对

B:错

答案: 错

2、DNC is short for direct numerical control.

A:对

B:错

答案: 对

3、One of the aims of CNC systems is to replace as much of the conventional NC software with hardware as possible.

A:对

B:错

答案: 错

4、The part program contains a description of the _.

A:program

B:geometry

C:data

D:parameter

答案: geometry

5、Several machine tools are directly controlled by a central computer, this is the _.

A:NC

B:CNC

C:BNC

D:DNC

答案: DNC

第三章

1、As NC machines need a large capital investment, we should efficiently use them.

A:对

B:错

答案:

2、Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.

A:对

B:错

答案:

3、The feed is defined as the distance the cutting tool projects below the original surface of the work-piece.

A:对

B:错

答案:

4、____is the relative lateral movement between the tool and the work-piece.

A: The depth of cut

B: The cutting speed

C: The feed

D: The spindle[1] [2] [3] [4]  下一页