数控技术英语章节测试课后答案2024春

第一章测试

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:A
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:A
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:B
4.数字模拟转换器的英语全称是
A:Digital Analog Converter B:Central Processing Unit C:Analog Digital Converter  D:Basic Revolution Unit
答案:B
5. 模拟数字转换器的英语缩写是________
A:APT  B:ADC C:DDC   D:DDT
答案:B