CNC NIMS Exam
If you want to move a tool from Right to Left toward the workpiece, what direction do you
crank the handle or move the axis? - ANS- Negative (-)
Match the following codes with the corresponding letters.___M30 - ANS- Program end/
rewing
A boxed dimension is defined as a_______. - ANS- Basic
As an CNC operator in a machining lab, when should you wear safety Glasses? - ANS-
As you enter the manufacturing environment
What Mode switch position allows you to move the machine axes manually? - ANS- Jog
Line N29 (facing in X) - ANS- X0
If you are standing in front of a CNC Turning Center slant bed, what direction does the Z
axis travel. - ANS- Up and down (in and out)
Line N14 (Arc, Pos 4-5) - ANS- G02 X-.063 Z.250 R-.125
You are boring a hole with a boring bar and the hole has a +.001 tolerance. Since you
don't want to machine it out of tolerance on the first part and scrap it, you might go to the
Tool offset and temporarily alter it. What direction would you go in X? - ANS- subtract
-.002
You are boring a hole and the depth has a +.0005 tolerance. Since you don't want to
machine it out of tolerance on the first part and scrap it, you might go to the Tool offset
and temporarily alter it. What direction would you move in Z the tool offset? - ANS-
Subtract -.002
You must cut a block 3.125 inches long and add 1/8 of an inch for finish machining. The
length of the block you must cut is ... - ANS- 3.250
Line N09 (Tool Radius Comp code) (Position 1) - ANS- G41
Match the following codes with the corresponding letters.___G28 - ANS- Zero Return
What Mode switch position allows programs to be modified? - ANS- Edit
If you want to move a tool from Right to Left toward the workpiece, what direction do you
crank the handle or move the axis? - ANS- Negative (-)
Match the following codes with the corresponding letters.___M30 - ANS- Program end/
rewing
A boxed dimension is defined as a_______. - ANS- Basic
As an CNC operator in a machining lab, when should you wear safety Glasses? - ANS-
As you enter the manufacturing environment
What Mode switch position allows you to move the machine axes manually? - ANS- Jog
Line N29 (facing in X) - ANS- X0
If you are standing in front of a CNC Turning Center slant bed, what direction does the Z
axis travel. - ANS- Up and down (in and out)
Line N14 (Arc, Pos 4-5) - ANS- G02 X-.063 Z.250 R-.125
You are boring a hole with a boring bar and the hole has a +.001 tolerance. Since you
don't want to machine it out of tolerance on the first part and scrap it, you might go to the
Tool offset and temporarily alter it. What direction would you go in X? - ANS- subtract
-.002
You are boring a hole and the depth has a +.0005 tolerance. Since you don't want to
machine it out of tolerance on the first part and scrap it, you might go to the Tool offset
and temporarily alter it. What direction would you move in Z the tool offset? - ANS-
Subtract -.002
You must cut a block 3.125 inches long and add 1/8 of an inch for finish machining. The
length of the block you must cut is ... - ANS- 3.250
Line N09 (Tool Radius Comp code) (Position 1) - ANS- G41
Match the following codes with the corresponding letters.___G28 - ANS- Zero Return
What Mode switch position allows programs to be modified? - ANS- Edit
