1-10

Question 1

Technique used to define the size of an angle as a fraction of a full circle (360)

Answer 1

Angular Measurement

Question 2

A drawing that shows how different parts are connected to form an assembly.

Answer 2

Assembly Drawing

Question 3

A numeric value stating the exact size, contours, orientation, or position of a feature or datum.

Answer 3

Basic Dimension

Question 4

An angled surface on the edge of an object. Normally used to eliminate sharp corners.

Answer 4

Bevel

Question 5

A hole drilled to a specific depth that is less than the thickness of the part being drilled.

Answer 5

Blind Hole

Question 6

To enlarge a hole to close tolerance an fine finish. A bored hole is more accurate than a drilled hole, but less accurate than a reamed hole.

Answer 6

Bore

Question 7

A raised cylindrical surface on a casting, which provides additional material on a part. A cylindrical pad.

Answer 7

Boss

Question 8

A line used to separate a broken-out section from the otherwise normal view.

Answer 8

Break Line

Question 9

A sectional view contained within another view, separated by a break line. Used when only a small portion of the view must be shown in sectional view.

Answer 9

Broken-Out Section

Question 10

Creating a drawing using a computer.

Answer 10

CAD (Computer-Aided Drafting)

Question 11

A bevel placed on a circular piece or part.

Answer 11

Chamfer

Question 12

The outline of an object, especially curved or irregular-shaped outlines.

Answer 12

Contour

Question 13

To enlarge the end of a hole cylindrically to a specified depth. Normally used to provide recess for a fastener head or a bearing seat.

Answer 13

Counterbore

Question 14

To enlarge the end of a hole conically. Normally used to allow recess for a flathead screw.

Answer 14

Countersink

Question 15

An imaginary plane that divides an object to produce a sectional view.

Answer 15

Cutting Plane

Question 16

Exact point, axis, or plane serving as the origin from which location or geometric characteristics of features of a part are derived.

Answer 16

Datum

Question 17

A feature used as a datum.

Answer 17

Datum Feature

Question 18

A line used as a reference point.

Answer 18

Datum Line

Question 19

A symbol including an identification letter and an equilateral triangle used to identify a datum feature.

Answer 19

Datum Symbol

Question 20

A distance between two points on a part or a measurement of a feature of a part.

Answer 20

Dimension

Question 21

Unique number assigned to a drawing for identification purposes.

Answer 21

Drawing Number

Question 22

Changes made to a drawing after it is completed.

Answer 22

Drawing Revisions

Question 23

Dimensioning on in both U.S. conventional an SI metric units.

Answer 23

Dual Dimensioning

Question 24

Universal term applied to a portion of a part, such as a surface, hole, thread, or groove.

Answer 24

Feature

Question 25

A rectangular frame containing the symbol for the type of tolerance and the numeric value of the tolerance. A datum reference may also be included.

Answer 25

Feature Control Symbol

Question 26

A depression on a shaft or shank providing a seat for a setscrew.

Answer 26

Flat

Question 27

Contracted in the direction of depth.

Answer 27

Foreshortened

Question 28

A sectional view in which the entire object has been cut.

Answer 28

Full Section

Question 29

Specifying allowable variation from the exact shape or position.

Answer 29

Geometric Tolerancing

Question 30

A recess on the interior surface of a cylindrical piece (internal groove). Also, used interchangeably with neck (external groove).

Answer 30

Groove