How to Use and Read a Vernier Calipers

What is the value of each 10mm division on the main beam scale subdivided into?

• 0.1 mm

• 0.01 mm

• 1 mm

• 10 mm

What does each numbered division on the Vernier scale represent?

• 0.01 mm

• 0.10 mm

• 1.00 mm

• 10.00 mm

What is the value of each small sub-division on the Vernier scale?

• 0.01 mm

• 0.02 mm

• 0.10 mm

• 0.20 mm

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What is the zero line on the Vernier scale called?

• Origin

• Reference

• Datum

• Baseline

When obtaining a full reading from a Vernier caliper, what is the first step?

• Find the Vernier scale line that exactly corresponds with a main scale line.

• Count the number of whole millimeters on the main scale up to the datum.

• Add the main scale reading to the Vernier scale reading.

• Adjust the caliper jaws to fit the object.