2024知到答案 数控技术英语 最新知到智慧树满分章节测试答案

第一章 单元测试

1、 问题:

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

选项：
A:对
B:错
答案: 【
对
】

2、 问题:

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.

选项：
A:对
B:错
答案: 【
对
】

3、 问题:

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

选项：
A:对
B:错
答案: 【
错
】

4、 问题:

数字模拟转换器的英语全称是

选项：
A:Analog Digital Converter 
B:Digital Analog Converter
C:Central Processing Unit
D:Basic Revolution Unit
答案: 【
Central Processing Unit
】

5、 问题:

 模拟数字转换器的英语缩写是__

选项：
A:APT 
B:DDT
C:DDC  
D:ADC
答案: 【
ADC
】

第二章 单元测试

1、 问题:

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.

选项：
A:对
B:错
答案: 【
错
】

2、 问题:

DNC is short for direct numerical control.

选项：
A:对
B:错
答案: 【
对
】

3、 问题:

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

选项：
A:对
B:错
答案: 【
错
】

4、 问题:

The part program contains a description of the ___.

选项：
A:program
B:geometry
C:data
D:parameter
答案: 【
geometry
】

5、 问题:

Several machine tools are directly controlled by a central computer, this is the ___.

选项：
A:NC
B:CNC
C:BNC
D:DNC
答案: 【
DNC
】

第三章 单元测试

1、 问题:

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

选项：
A:对
B:错
答案: 【
对
】