🔍 Key Concepts

• Inside calipers only transfer a measurement; they do not display a size in numbers • Which tool on the list can read very small distances precisely in thousandths of an inch or hundredths of a millimeter? • The purpose of the second tool is to measure the opening that the calipers have been set to

💭 Think About

• Ask yourself: after you set the inside calipers to match the small hole, how do you turn that opening into an exact numerical diameter? • Which option is specifically designed to measure thickness or distance between two points very accurately, rather than checking threads or wire sizes? • Think about how machinists normally check the size of a drilled or bored hole when high accuracy is needed.

✅ Before You Answer

• Identify which choice is a precision measuring instrument for distance between two faces • Eliminate any tools that are mainly used for thread checking or wire size identification, not direct distance measurement • Confirm that your chosen tool can be used to measure the gap between the caliper legs accurately