NIMS CNC OPERATOR TEST QUESTIONS AND ANSWERS 2025/2026 A
COMPLETE EXAM ALL ANSWERS 100% CORRECT DETAILED BEST
RATED A+ FOR SUCCESS
What is the code for incremental positioning? - CORRECT ANSWERS G91
What is the code for absolute positioning? - CORRECT ANSWERS G90
What is the code for inch mode? - CORRECT ANSWERS G20
What is the code for metric mode? - CORRECT ANSWERS G21
What is the code for tool change ON THE MILL? - CORRECT ANSWERS
What is the code for spindle activation clockwise OR FORWARD? - CORRECT ANSWERS
M03
What mode would you select for changing a tool on a mill or lathe? - CORRECT
ANSWERS M06
What is the difference between the 1.384 dimension and the .945 dimension? - CORRECT
ANSWERS
What screen gives you the information for height offset value? - CORRECT ANSWERS
What mode on a CNC milling center would you select to send the machine home? -
CORRECT ANSWERS G28
If you were boring a hole specified at 2.125" deep with a tolerance of +/-.001 and measured the
part at 2.122" deep, what would you add or subtract from the Tool length offset to bore the
hole to proper depth? - CORRECT ANSWERS
, NIMS CNC OPERATOR TEST QUESTIONS AND ANSWERS 2025/2026 A
COMPLETE EXAM ALL ANSWERS 100% CORRECT DETAILED BEST
RATED A+ FOR SUCCESS
A print calls out a finished part length of 3.25 inches. How long would you cut the stock for each
part if you leave 1/8" for sizing? - CORRECT ANSWERS
Which of the buttons below would you depress if you were using M01 in a program? -
CORRECT ANSWERS
. What button below would you push to manually input and physically execute programming
commands? - CORRECT ANSWERS
3. What button would you press to view the distance to go while running a program? -
CORRECT ANSWERS
The tolerance range is set on a dial indicator. If this dial indicator is checking the diameter of a
part turned on a lathe, what would you add or subtract from the geometry offset (X) to
machine the part at the mean dimension? - CORRECT ANSWERS
A part dimension states that the depth of a bored hole must be within .001" (+/- .0005). When
machining the first part how should the TLO (tool length offset) be set? - CORRECT
ANSWERS
You are milling a part using cutter diameter compensation. The part measures 2.004" after the
machining is done (using the .250" to 2.250 dimensions below). What must you do to the cutter
diameter value to cut the part to size? - CORRECT ANSWERS
. What considerations should you take into account when adding soluble oil to a CNC machine?
- CORRECT ANSWERS
COMPLETE EXAM ALL ANSWERS 100% CORRECT DETAILED BEST
RATED A+ FOR SUCCESS
What is the code for incremental positioning? - CORRECT ANSWERS G91
What is the code for absolute positioning? - CORRECT ANSWERS G90
What is the code for inch mode? - CORRECT ANSWERS G20
What is the code for metric mode? - CORRECT ANSWERS G21
What is the code for tool change ON THE MILL? - CORRECT ANSWERS
What is the code for spindle activation clockwise OR FORWARD? - CORRECT ANSWERS
M03
What mode would you select for changing a tool on a mill or lathe? - CORRECT
ANSWERS M06
What is the difference between the 1.384 dimension and the .945 dimension? - CORRECT
ANSWERS
What screen gives you the information for height offset value? - CORRECT ANSWERS
What mode on a CNC milling center would you select to send the machine home? -
CORRECT ANSWERS G28
If you were boring a hole specified at 2.125" deep with a tolerance of +/-.001 and measured the
part at 2.122" deep, what would you add or subtract from the Tool length offset to bore the
hole to proper depth? - CORRECT ANSWERS
, NIMS CNC OPERATOR TEST QUESTIONS AND ANSWERS 2025/2026 A
COMPLETE EXAM ALL ANSWERS 100% CORRECT DETAILED BEST
RATED A+ FOR SUCCESS
A print calls out a finished part length of 3.25 inches. How long would you cut the stock for each
part if you leave 1/8" for sizing? - CORRECT ANSWERS
Which of the buttons below would you depress if you were using M01 in a program? -
CORRECT ANSWERS
. What button below would you push to manually input and physically execute programming
commands? - CORRECT ANSWERS
3. What button would you press to view the distance to go while running a program? -
CORRECT ANSWERS
The tolerance range is set on a dial indicator. If this dial indicator is checking the diameter of a
part turned on a lathe, what would you add or subtract from the geometry offset (X) to
machine the part at the mean dimension? - CORRECT ANSWERS
A part dimension states that the depth of a bored hole must be within .001" (+/- .0005). When
machining the first part how should the TLO (tool length offset) be set? - CORRECT
ANSWERS
You are milling a part using cutter diameter compensation. The part measures 2.004" after the
machining is done (using the .250" to 2.250 dimensions below). What must you do to the cutter
diameter value to cut the part to size? - CORRECT ANSWERS
. What considerations should you take into account when adding soluble oil to a CNC machine?
- CORRECT ANSWERS
