Introduction to Precision Measuring Instruments

What is required to get the accuracy needed for most manufacturing processes?

• Precision tools and equipment

• Skilled labor

• High-quality materials

• Advanced software

Which of the following is not a type of caliper?

• Vernier calipers

• Dial calipers

• Electronic calipers

• Laser calipers

As the vernier scale moves along the main scale, how many graduations will line up exactly?

• 0

• 1

• 2

• 3

The caliper may read to the nearest ______ mm.

• 0.001

• 0.01

• 0.1

• 1

What is the function of the thimble in a micrometer?

The rotating thimble scale of a micrometer has 0.5 mm for every full revolution and is used to measure to the nearest what?

• 0.1 mm

• 0.5 mm

• 0.01 mm

• 1 mm

What is a dial gauge indicator used for?

• Measuring temperature

• Measuring pressure

• Measuring movement over small linear distances

• Measuring weight

The needle of a dial gauge indicator rotates according to the ________ moved.

• distance

• time

• temperature

• pressure

A full revolution of the dial face equates to how many mm of plunger travel?

• 0.5 mm

• 1 mm

• 1.5 mm

• 2 mm

Which part of the micrometer is used to open and close the jaws?

• The barrel

• The spindle

• The thimble

• The dial