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8.1 MEASURING TOOLS TOD WITH MARK - BASIC MILL OPERATOR
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8.1 MEASURING TOOLS TOD WITH MARK - BASIC MILL OPERATOR
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8.1 MEASURING TOOLS TOD WITH MARK- BASIC MILL OPERATOR
A good measuring tool to check threaded features on a part is a Thread Gauge or
Thread Plug Gauge. - ANS-True
Calipers are great for measuring the inside diameters of holes, except when: - ANS-The
hole is smaller than .157 in diameter
For inch micrometers, the main graduations on the main sleeve are: - ANS-.100 or .100,
.200, .300 etc
For small holes, a good inspection tool is: - ANS-Gauge pins or Go/No Go pins
On a standard scale (ruler, yardstick) or inspection tool, each line is also called a: -
ANS-Graduation
One of the most versatile pieces of inspection equipment to a machinist is: - ANS-A
caliper
The thousandths graduations are etched onto the "thimble" section of the micrometer. -
ANS-True
What does the term "one-thou" stand for? - ANS-1/1000 of an inch or .001
What is the #1 cause of mistakes when using micrometers? - ANS-Gorilla grip and
overtightening
When a drawing of a part is the same size as the actual part, the scale is: - ANS-1:1
When using a caliper, it is important to wipe clean the measuring faces prior to use. -
ANS-True
When using calipers to measure an outside diameter, you should remember to: -
ANS-Not push too hard, and keep the part as deep in the jaws as possible
When using the tail of a caliper to measure the depth of a feature, it is important to
watch out for corner radiuses that can throw off your measurement. - ANS-True
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