NIMS Milling Practice Test #1 | Actual study Questions
and verified Answers | 2026 Updates | 100% correct
If a dimension on a drawing is 4.868" with a tolerance of +/- .003", what is the largest the
dimension can check and still be in tolerance? - ANSWER- 4.871"
If you are standing in front of a vertical CNC machining center, what direction does the X-axis
travel? - ANSWER- left to right
A boxed dimension is defined as a... - ANSWER- basic
S.D.S. (Safety Data Sheet) are sheets that? - ANSWER- Describe the chemicals and materials
in the shop.
How many 4-7/8 inch long rods can be cut from a rod with a total length of 97-1/2 inches? -
ANSWER- 20
What does the code M01 do? - ANSWER- optional stop
Match the code to the corresponding letters.... M4 - ANSWER- spindle on reverse
How often should you check waylube and coolant levels? - ANSWER- every shift
What formula is used to calculate RPM? - ANSWER- SFM times 4 divided by diameter
Which display screen mode lets the operator enter tooling related data is? - ANSWER- Offset
page
What on/off mode switch works in conjunction with a M01 code in the program? - ANSWER-
optional stop
You are running the first workpiece on a proven program (one that has been run before). Tool
02 is the finishing tool that machines a pocket .437" deep +/- .003". When you measure the
part, it checks .4325". What must you do to correct the error? - ANSWER- +input -.0045" to
tool 02 height wear offset and re-run the tool
A boxed letter represents a _______ . - ANSWER- datum
If you want to use a 1.0" diameter 2-flute end mill running at 3000 RPM, what feed rate should
you run at to achieve a .003" per tooth chip load? - ANSWER- 18 inches per minute
and verified Answers | 2026 Updates | 100% correct
If a dimension on a drawing is 4.868" with a tolerance of +/- .003", what is the largest the
dimension can check and still be in tolerance? - ANSWER- 4.871"
If you are standing in front of a vertical CNC machining center, what direction does the X-axis
travel? - ANSWER- left to right
A boxed dimension is defined as a... - ANSWER- basic
S.D.S. (Safety Data Sheet) are sheets that? - ANSWER- Describe the chemicals and materials
in the shop.
How many 4-7/8 inch long rods can be cut from a rod with a total length of 97-1/2 inches? -
ANSWER- 20
What does the code M01 do? - ANSWER- optional stop
Match the code to the corresponding letters.... M4 - ANSWER- spindle on reverse
How often should you check waylube and coolant levels? - ANSWER- every shift
What formula is used to calculate RPM? - ANSWER- SFM times 4 divided by diameter
Which display screen mode lets the operator enter tooling related data is? - ANSWER- Offset
page
What on/off mode switch works in conjunction with a M01 code in the program? - ANSWER-
optional stop
You are running the first workpiece on a proven program (one that has been run before). Tool
02 is the finishing tool that machines a pocket .437" deep +/- .003". When you measure the
part, it checks .4325". What must you do to correct the error? - ANSWER- +input -.0045" to
tool 02 height wear offset and re-run the tool
A boxed letter represents a _______ . - ANSWER- datum
If you want to use a 1.0" diameter 2-flute end mill running at 3000 RPM, what feed rate should
you run at to achieve a .003" per tooth chip load? - ANSWER- 18 inches per minute
