RATED A+
✔✔visible line - ✔✔the thick, continuous line representing all edges of an object visible
in a particular view, sometimes referred to as a object line
✔✔angle of projection block - ✔✔identifies whether the drawing is a first angle or third
angle projection
✔✔application block - ✔✔a block that identifies the larger unit, sub assembly, or
assembly in which a part or sub assembly is used
✔✔balloon - ✔✔circle usually connected to a leader line containing a number or letter
used to identify parts on a drawing
✔✔CAGE code - ✔✔acronym for commercial and government entity, A five position
code identifying companies that do business with the federal government
✔✔drawing number - ✔✔unique number assigned to a print for identification and
archival purposes
✔✔drawing tittle - ✔✔brief and descriptive name that clearly identifies a part or
assembly
✔✔parts list - ✔✔Tabular chart or form listing the quantity and description of all the
individual parts of a machine, structure, or assembly.
✔✔revision - ✔✔any change made to the original drawing
✔✔revision history block - ✔✔Specifies revision dates and related information.
✔✔Revision Status of Sheets Block - ✔✔record of the revision status for each sheet of
a multiple sheet drawing. Located next to the revision history block or as a separate
document.
✔✔scale - ✔✔1. measuring device 2. a process of reducing or enlarging an object
proportionately 3. ration between the part as drawn and the actual part 4. size, full scale
is equal to the expression full size
✔✔tittle block - ✔✔boxed area normally located in the lower right corner of a print that
provides general information and aids in identification and filing of the print
✔✔tolerance - ✔✔the total amount of variation permitted for a features location or size
based on the dimensional difference between limits
, ✔✔tolerance block - ✔✔boxed area on a drawing that indicates the general tolerance
limits specified for the drawing
✔✔zone - ✔✔area on a print identified by numbers and letter marked along the border
of the drawing
✔✔arc - ✔✔any curved edge with a constant radius and an angle of less than 360 a
portion of a circle
✔✔chord - ✔✔line segment within a circle connecting two points other than through the
center point
✔✔circle - ✔✔closed curve consisting of an edge that loops 360 around a center point
at a fixed distance
✔✔circumscribe - ✔✔to construct a polygon shape around the outside of a circle
✔✔coaxial - ✔✔general term applied to the condition in which two features each having
an axis share a common center. The three dimensional extensions of a concentric
✔✔concentric - ✔✔having a common center as circles or diameters
additive manufacturing - ✔✔technology that builds parts by adding material in a series
of layes aka 3D printing
✔✔American society of Mechanical Engineers (ASME) - ✔✔An independent , not for
profit organization that defines standards for engineering drawings
✔✔blueprint - ✔✔an early no longer common form of print featuring a blue background
and white lines. Popularly , any plan of action or detailed procedure
✔✔computer aided engineering (CAE) - ✔✔A system in which computer programs are
used to generate data about manufacturing processes and the properties of parts
✔✔design process - ✔✔five step process, with cycling and looping between steps, used
to bring an idea to market or to improve a current product
✔✔design web format (DWF) - ✔✔An electronic file format developed by Auto desk
designed for the efficient distribution and communication of design data, such as
drawings and models , including the ability to view comments and print.
✔✔diazo - ✔✔an organic compound that evaporates when exposed to light and turns
blue when exposed to ammonia. Prints made using a diazo compound are referred to
as white prints or blue line prints