Topic 2: Fundamentals of Linear Dimensional Measurement

What is a reading for this vernier caliper ?

• 8.06mm

• 8.04mm

• 7.00mm

• 8.05

What is the least count (smallest reading) of a typical vernier caliper?

• 0.1 mm

• 0.02 mm

• 0.5 mm

• 1.0 mm

A micrometer screw gauge typically has a least count of (a)   mm.

What component on a micrometer is rotated to make fine adjustments when measuring an object?

(a)  

You measure a shaft using a micrometer and get the reading:
Main scale = 5.0 mm
Thimble scale = 36

What is the final measurement?

• 5.36 mm

• 5.63 mm

• 5.036 mm

• 5.360 mm