9 Handtools And Measuring Devices

Question 1

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

2. For what reasons should a micrometer be periodically calibrated?

Answer 2

If dropped, its accuracy may be affected. If the spindle is overtightened, the frame may be sprung. Continually sliding objects between the anvil and the spindle may wear the surfaces.