大学MOOC Programming and Machining of CNC(盐城工业职业技术学院)1449489169 最新慕课完整章节测试答案
Project 1Programming and Machining of Stepped Shaft
Project 1 Study Questions
1、单选题：
A lathe has the following axes:
选项：
A: X, Y&Z
B: X& Y only
C: X& Z only
D: Y&Z only
答案: 【 X& Z only】
2、单选题：
On a two axis turning center the diameter controlling axis is:
选项：
A: B
B: A
C: X
D: Z
答案: 【 X 】
3、单选题：
The letter addresses used to identify axes of rotation are:
选项：
A: U, V&W
B: X, Y&Z
C: A, Z&X
D: A, B&C
答案: 【 A, B&C 】
4、单选题：
In NC (tape) controlled machines, the M02 command rewinds the tape to its start. How is a CNC machine command to return the program to its start?
选项：
A: M03
B: M08
C: M30
D: M05
答案: 【 M30】
5、单选题：
The default (at machine start-up) feed rate on lathes is typically measured in
选项：
A: Cutting Speed
B: Inches per revolution in/rev.
C: Inches per Minute in/min
D: Constant Surface Speed
答案: 【 Inches per revolution in/rev. 】
6、单选题：
What other program word is necessary when programming G01 linear interpolation?
选项：
A: S
B: F
C: T
D: H
答案: 【 F】
7、判断题：
Programming is a method of defining tool movements through the application of numbers and corresponding coded letter symbols.
选项：
A: 正确
B: 错误
答案: 【 正确】
8、判断题：
A program block is a single line of code followed by an end-of-block character.
选项：
A: 正确
B: 错误
答案: 【 正确】
9、判断题：
Each block contains one or more program words.
选项：
A: 正确
B: 错误
答案: 【 正确】
10、判断题：
The letter address, O is used to identify the program number and has no other use in programming.
选项：
A: 正确
B: 错误
答案: 【 正确】
11、填空题：
In programming,tool function is commanded by the four digits that follow the letter address T. (Example T0404). What do these two sets of numbe