Exam 4: Dimensions

____ refers to the application of both U.S. Customary and metric units (usually in millimeters) of measurement on a drawing.

The term ____________________ fraction refers to dimensions such as 1/64, 1/32, 1/16, 1/8, 1/4, and 1/2 inch.

Preferred practice is to show dimensions in ____.

The ____ on drill hole dimensions gives the size of the drill, the number of holes to be drilled, and may also give the depth to which the holes are to be drilled.

____________________ indicate the locations where components of the part should be placed, assembled, machined, or welded.

Weldments very often include ____ parts.

The sharp edge of a bevel formed for welding is commonly called a(n) ____ edge.

Dimensions give the sizes needed to fabricate the part.

Holes with no depth dimension are to be drilled all the way through.

Drilled hole dimensions are shown by the use of a(n) ____________________ and a note.

Current practice is to use a(n) ____ dimensioning system.

U.S. Customary linear dimensions may be given as whole numbers, fractions, and decimals.

If no tolerance is given on a print, it can be assumed that extremely accurate sizes must be calculated.

The hole depth may be indicated by the abbreviation ____ for "deep".

____ refers to identification of each of the parts on an assembly drawing by means of numbers assigned to the parts.

Dimensions on drawings for weld fabrication operations are generally shown as ____ dimensions.

____________________ dimensioning is used on drawings to permit the manufacture of parts in either unit of measurement, depending upon their application and/or where they will be marketed.

Drawings for machining operations use ____ fractions.

In the ____________________ method of dimensioning, the overall dimensions of length, width, and height are given.

Linear dimensions used on a print can only be shown in metric units.