Exam 2: Measurement, Materials, and Safety

____ cutting fluids are combined with water and should never be used for magnesium machining operations.

Steels that have other elements added to them are called ____.

The ____ chart graphs the mean size of each sampling.

The term ____ refers to a line, circle, or arc that touches a circle or an arc at only one point.

Part surfaces are compared to the ____-degree corner of the square.

____ can be used to check for perpendicularity.

A(n) ____ is a small container mounted on a machine tool with a small lid that is opened to add lubricating oil.

In ____, tags are replaced with padlocks or other lockout devices.

____ refer(s) to steels used to make tools that will bend, cut, form, or somehow "work" other metals.

_ ___ contain no oil products and provide the highest level of cooling of all cutting fluids because of the water and their chemical makeup.

A grease ____ is a fitting used to apply grease to a lubrication point.

A vernier caliper can be used for measurements as small as ____.

Flame hardening is one of ____ common methods of surface hardening.

The ____ is a federal agency whose purpose is to protect human health and the environment.

____ are vital to cool moving parts, minimize friction between them, and prevent their seizing.

____ furnaces can remove room air from the chamber and replace it with nitrogen, argon, or helium.

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

____ is the principle that certain mathematical operations must be done in a certain order to correctly perform calculations.

Brinell hardness testers make an indentation on a piece of material with a ____-mm-diameter tungsten carbide ball.

Aluminum alloys are usually identified by ____ or IADS numbers.