Exam 2: Measurement, Materials, and Safety

____ stands for parts per billion of a substance.

____ is a sophisticated method for tracking variation in sizes of machined parts.

____ of metals is the controlled heating and cooling of metals to change their characteristics.

The ____ of a circle is the distance from one side to another through the center.

____ is a ratio between the lengths of the adjacent side (A) and the hypotenuse (H).

____ inspections might include checking first aid supplies and ensuring that all hazardous materials are labeled appropriately.

____ is the name given to the actions of inspecting dimensions to make sure tolerances are met.

Perpendicular lines or surfaces are those that intersect at a ____-degree angle.

____ oils contain additives that allow them to be combined with water.

Precision fixed gages are usually used to no more than ____" accuracy.

A ____ identifies locations in an X, Y, Z coordinate system.

____ can be defined as the creation of a system of activities used to make sure that happens.

____ oils are used mostly for light-duty, short-term operations and on nonferrous metals.

A(n) ____ states an amount that should not be exceeded within an 8-hour time frame.

____ used in semi-precision measurement have two legs that make contact with part surfaces to obtain measurements.

The statement that two surfaces are ____ means that they are at 90-degree angles to each other.

The ____ is a precision measuring tool that uses a very accurate screw thread to perform measurement.

____ gages are cylindrical rods with very accurate diameters that can be used to check hole dimensions.

____ hardness testing uses a penetrator, or indenter, to make an impression in a piece of material and then uses the depth of the indentation to calculate a hardness value.

A proportion is two ratios that are equal to ____.