Exam 2: Measurement, Materials, and Safety

Hardening is most commonly performed on ____.

A straight edge is a bar with ____ edge(s) that is extremely flat and are available in steel or granite.

In global manufacturing and in the machining industry, the metric system is sometimes referred to as the International System of Units or ____.

____ gages are tools without adjustment that are used for comparative measurement of parts to a particular size.

The standard system of measurement in the United States is the ____ system.

____ metals are metals that contain no iron.

When angles need to be measured more accurately than within ____ degree(s), the vernier bevel protractor can be used.

Snap gages are ____-shaped gages that can be used to check external dimensions.

A(n) ____ projects a magnified image of a part on a screen for measurement.

Nitriding heats steel in a sealed furnace containing nitrogen gas at about ____°F to add carbon to the steel and cause hardening.

A(n) ____ system involves cutting fluid contained in a small tank that is combined with compressed air and sprayed on the cutting area.

Pi is shown by the symbol ____.

A(n) ____ is a hand-held tool that is commonly used to determine concentration levels.

Companies rely on ____ information to guide training and protect workers.

____ are used to tighten a slide as dovetail surfaces wear.

A ____ plan can be defined simply as a strategy of steps needed to perform a machining operation or operations.

____ is a heat-treating process used to return metals to their original pre-hardened condition.

The ____ is the highest concentration of the substance in air that will burn or explode if ignited.

The ____ is by far the most common semi-precision measuring tool utilized in the machining field.

____ tools are used when the measurement must be transferred to and measured with a rule.