NIMS CNC OPERATOR TEST STUDY
GUIDE. EXAM QUESTIONS AND
ANSWERS 100% PASS.
+X - ANS A jog key that moves the spindle along the X-axis in the positive direction.
minus (-)X - ANS A jog key that moves the spindle along the X-axis in the negative direction.
+Y - ANS A jog key that moves the spindle along the Y-axis in the positive direction.
minus (-)Y - ANS A jog key that moves the spindle along the Y-axis in the negative direction.
+Z - ANS A jog key that moves the spindle along the Z-axis in the positive direction.
minus (-)Z - ANS A jog key that moves the spindle along the Z-axis in the negative direction.
+A - ANS A jog key that rotates machine components around the A-axis in a positive
direction. Not all Haas mills are equipped with a fourth A-axis.
minus (-)A - ANS A jog key that rotates machine components around the A-axis in a negative
direction. Not all Haas mills are equipped with a fourth A-axis.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 1
, +B - ANS A jog key that rotates machine components around the B-axis in a positive direction.
Not all Haas mills are equipped with a fifth B-axis.
minus (-)B - ANS A jog key that rotates machine components around the B-axis in a negative
direction. Not all Haas mills are equipped with a fifth B-axis.
+10 FEEDRATE - ANS An override key on the Haas control that increases the current feed rate
in 10% increments.
minus (-)10 FEEDRATE - ANS An override key on the Haas control that decreases the current
feed rate in 10% increments.
100% FEEDRATE - ANS An override key on the Haas control that sets the feed rate back to
100% of the programmed value.
+10 SPINDLE - ANS An override key on the Haas control that increases the current spindle
speed in 10% increments.
minus (-)10 SPINDLE - ANS An override key on the Haas control that decreases the current
spindle speed in 10% increments.
100% SPINDLE - ANS An override key on the Haas control that sets the spindle back to 100%
of the programmed value.
5% RAPID - ANS An override key on the Haas control that limits rapid traverse to 5% of
maximum.
25% RAPID - ANS An override key on the Haas control that limits rapid traverse to 25% of
maximum.
50% RAPID - ANS An override key on the Haas control that limits rapid traverse to 50% of
maximum.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 2
GUIDE. EXAM QUESTIONS AND
ANSWERS 100% PASS.
+X - ANS A jog key that moves the spindle along the X-axis in the positive direction.
minus (-)X - ANS A jog key that moves the spindle along the X-axis in the negative direction.
+Y - ANS A jog key that moves the spindle along the Y-axis in the positive direction.
minus (-)Y - ANS A jog key that moves the spindle along the Y-axis in the negative direction.
+Z - ANS A jog key that moves the spindle along the Z-axis in the positive direction.
minus (-)Z - ANS A jog key that moves the spindle along the Z-axis in the negative direction.
+A - ANS A jog key that rotates machine components around the A-axis in a positive
direction. Not all Haas mills are equipped with a fourth A-axis.
minus (-)A - ANS A jog key that rotates machine components around the A-axis in a negative
direction. Not all Haas mills are equipped with a fourth A-axis.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 1
, +B - ANS A jog key that rotates machine components around the B-axis in a positive direction.
Not all Haas mills are equipped with a fifth B-axis.
minus (-)B - ANS A jog key that rotates machine components around the B-axis in a negative
direction. Not all Haas mills are equipped with a fifth B-axis.
+10 FEEDRATE - ANS An override key on the Haas control that increases the current feed rate
in 10% increments.
minus (-)10 FEEDRATE - ANS An override key on the Haas control that decreases the current
feed rate in 10% increments.
100% FEEDRATE - ANS An override key on the Haas control that sets the feed rate back to
100% of the programmed value.
+10 SPINDLE - ANS An override key on the Haas control that increases the current spindle
speed in 10% increments.
minus (-)10 SPINDLE - ANS An override key on the Haas control that decreases the current
spindle speed in 10% increments.
100% SPINDLE - ANS An override key on the Haas control that sets the spindle back to 100%
of the programmed value.
5% RAPID - ANS An override key on the Haas control that limits rapid traverse to 5% of
maximum.
25% RAPID - ANS An override key on the Haas control that limits rapid traverse to 25% of
maximum.
50% RAPID - ANS An override key on the Haas control that limits rapid traverse to 50% of
maximum.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 2
