Precision Measuring Instruments

Question 1

What must be checked before use of PMI to ensure accuracy?

Answer 1

Calibration

Question 2

What scale is marked with graduations for measuring to the nearest one-tenth of a degree (or one ten-thousandth of an inch 0.001)?

Answer 2

Vernier Scale

Question 3

When using a depth micrometers, what part is calibrated to the specific micrometer body and cannot be interchanged?

Answer 3

Spindle (Extension Rods)

Question 4

What PMI is used to determine if aircraft components and flight control surfaces are properly adjusted and rigged?

Answer 4

Universal Propeller Protractor