Chapter 9 - Hand Tools and Measuring Devises - Oral Questions

Question 1

What type of precision measuring instruments can be used to measure the outside dimensions of aircraft parts?

Answer 1

Outside micrometers and vernier calipers

Question 2

For what reasons should a micrometer be periodically calibrated?

Answer 2

If dropped, its accuracy may be affected, or if the spindle is over tightened, the frame by be sprung, or continually sliding objects between the anvil and the spindle may wear down the surfaces