1
Q
What are the seven main parts of an Outside Micrometer?
A
Anvil, Frame, Lock Nut, Ratchet, Sleeve, Spindle and Thimble.
2
Q
What would you use to calibrate an Outside Micrometer?
A
Standards.
3
Q
What is the pitch of an Imperial Micrometer?
A
0.025”.
4
Q
What is the pitch of a Metric Micrometer?
A
0.5 mm.
5
Q
When measuring, what is discrimination?
A
The smallest readable division of the measuring instrument.
6
Q
What are the three types of Precision Calipers?
A
Vernier, Dial and Electronic Digital.
7
Q
How accurate is a Universal Protractor?
A
Used to measure within five minutes (5’) of a degree.
Millwright Year 1
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