Manufacturing 2 CNC MILL Operations Certification Exam Questions & Answers
How often should the oil and coolant levels be checked? - ANSWERSBefore every workshift
What direction do you crank the handle, or move the axis? - ANSWERSPositive.
What's the standard cutting speed formula for RP...
How often should the oil and coolant levels be checked? - ANSWERSBefore every workshift
What direction do you crank the handle, or move the axis? - ANSWERSPositive.
What's the standard cutting speed formula for RPM? - ANSWERSRPM = SFPM x 4(3.82)/Tool diameter
What's a closed-loop system in CNC Tech? - ANSWERSA system checks to make sure that the axis, distant,
scent, is correct before it makes another move.
You must cut a block 3.25 inches long and add 1/8 of an inch per finished machining. The length of the
block you must cut is 3.375 inches. - ANSWERS3.375
SDS (Safety Data Sheets) are sheets that: - ANSWERSDescribe the chemicals and materials in the shop.
What's the measurement of the dial caliber? (Image not provided, it will have the image on the exam) -
ANSWERS2.32
The upper size limit for a specified diameter is 1.751. The measured diameter is 1.758. How much is
oversize is the diameter? - ANSWERS0.007
How many 2 1/2 bars can be cut from a rod that measures 15 3/4 long? - ANSWERS6
A boxed dimension is defined as: - ANSWERSTolerance
A boxed letter represents a diamension. - ANSWERSDatem
, You're standing in front of a CNC Vertical machine center, what direction does the x-axis travel? -
ANSWERSback and forth (left to right)
What's the description for the symbol? (Image not provided, it will be provided on the exam) -
ANSWERSSurface finish.
What tool is this? (Image not provided, it will be provided on the exam) - ANSWERSA 4-flute endmill,
both ends.
What's the measurement on the 0-1 micrometer? ((Image not provided, it will be provided on the exam)
- ANSWERS0.526
Why is it necessary to home or zero return the machine on its initial start-up? - ANSWERSSo the
computer knows where the table position is.
What's the description for this geometric tolerance symbol? - ANSWERSperpendicularity
What's the measurement on the 1-2 micrometer in this picture? (Image not provided, it will be provided
on the exam) - ANSWERS1.535
What's the description for this geometric tolerance symbol? - ANSWERSFlatness
As a CNC Operator, when should you wear your safety glasses? - ANSWERSAs soon as you enter the
manufacturing environment.
What tool is in this picture? - ANSWERSCountersink
What's the most important rule in safety? - ANSWERSFollow all safety rules at all times/
What mode switch position allows programs to be modified? - ANSWERSEdit
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