免费查询数控技术英语最新智慧树知到答案-亿搜题库

2078291 2023-02-28 00:00 80 ℃ 0 条

1、判断题：
Numerical control is designed to control the operation of a machine tool by a series of coded instructions called a program.
选项：
A:错
B:对
答案: 【对】

2、判断题：
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、判断题：
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、单选题：
数字模拟转换器的英语全称是
选项：
A:Central Processing Unit
B:Basic Revolution Unit
C:Digital Analog Converter
D:Analog Digital Converter
答案: 【Central Processing Unit】

5、单选题：
模拟数字转换器的英语缩写是________
选项：
A:APT
B:ADC
C:DDC
D:DDT
答案: 【ADC】

第二章单元测试

1、判断题：
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、判断题：
DNC is short for direct numerical control.
选项：
A:错
B:对
答案: 【对】

3、判断题：
One of the aims of CNC systems is to replace as much of the conventional NC software with hardware as possible.
选项：
A:错
B:对
答案: 【错】

4、单选题：
The part program contains a description of the _________.
选项：
A:geometry
B:parameter
C:data
D:program
答案: 【geometry】

5、单选题：
Several machine tools are directly controlled by a central computer, this is the _________.
选项：
A:NC
B:DNC
C:BNC
D:CNC
答案: 【DNC】