This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “NC Part Programming-2”.
1. Which of the following code is used to return to a reference point?
a) G23
b) G28
c) G14
d) G19
View Answer
Explanation: G28 is used to return to a reference point.
2. Which of the following code is used in thread cutting in turning?
a) G32
b) G89
c) G20
d) G74
View Answer
Explanation: G32 is used in thread cutting in turning.
3. Which of the following code is used to cancel offset compensation for cutter radius?
a) G40
b) G02
c) G42
d) G00
View Answer
Explanation: G40 is used to cancel offset compensation for cutter radius.
4. Which of the following code is used to give cutter offset compensation, left of a part surface?
a) G40
b) G41
c) G42
d) G50
View Answer
Explanation: G41 is used to give cutter offset compensation, left of part surface.
5. Which of the following code is used to give cutter offset compensation, right of a part surface?
a) G00
b) G41
c) G42
d) G91
View Answer
Explanation: G42 is used to give cutter offset compensation, right of part surface.
6. Which of the following code is used to specify the location of co-ordinate Axes system origin relative to starting location of cutting tool?
a) G01
b) G41
c) G00
d) G50
View Answer
Explanation: G50 is used to specify the location of co-ordinate Axes system origin relative to starting location of cutting tool.
7. Which of the following code is used in programming in absolute coordinates?
a) G90
b) G32
c) G92
d) G01
View Answer
Explanation: G90 is used in programming in absolute coordinates.
8. Which of the following code is used in programming in incremental coordinates?
a) G90
b) G91
c) G92
d) G94
View Answer
Explanation: G91 is used in programming in incremental coordinates.
9. Which of the following code is used to specify location of co-ordinate Axis System origin relative to starting location of cutting tool?
a) G17
b) G91
c) G92
d) G00
View Answer
Explanation: G92 is used to specify location of co-ordinate Axis System origin relative to starting location of cutting tool.
10. Which of the following code is used to specify feed per minute in milling and drilling?
a) G69
b) G10
c) G00
d) G94
View Answer
Explanation: G94 is used to specify feed per minute in milling and drilling.
11. Which of the following code is used to specify feed per revolution in milling and drilling?
a) G24
b) G23
c) G95
d) None of the mentioned
View Answer
Explanation: G95 is used to specify feed per revolution in milling and drilling.
12. Which of the following code is used to specify feed per minute in turning?
a) G25
b) G98
c) G24
d) G23
View Answer
Explanation: G98 is used to specify feed per minute in turning.
13. Which of the following code is used to specify feed per revolution in turning?
a) G99
b) G98
c) G78
d) G45
View Answer
Explanation: G99 is used to specify feed per revolution in turning.
Sanfoundry Global Education & Learning Series – Manufacturing Engineering.
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