Question 1

Machines controlled by data that are specially coded with numbers, letters, and special characters are operated by ____.

Accepted Answer

A)  automated control 
B)  semantic control 
C)  numerical control 
D)  batch control 
A)  automated control 
B)  semantic control 
C)  numerical control 
D)  batch control C

Question 2

Describe the type of dimensioning that the accompanying figure illustrates.

Accepted Answer

Incremental positioning uses successive dimensions or chain dimensions. The accompanying figure illustrates chain dimensioning.

Question 3

In ____, dimensions from intersecting datum planes are given in a table.

Accepted Answer

A)  ordinate dimensioning 
B)  tabular dimensioning 
C)  chain dimensioning 
D)  incremental dimensioning 
A)  ordinate dimensioning 
B)  tabular dimensioning 
C)  chain dimensioning 
D)  incremental dimensioning B

Question 4

Describe a datum and how it is used.

Accepted Answer

A datum is a reference point, axis, or p

Question 5

Describe computer numerical control.

Accepted Answer

Machines controlled by data that are spe

Question 6

In absolute positioning, all process locations are given as distances from a ____.

Accepted Answer

A)  zero point 
B)  maximal point 
C)  predefined point 
D)  central point 
A)  zero point 
B)  maximal point 
C)  predefined point 
D)  central point

Question 7

Explain ordinate dimensioning and zero coordinates.

Accepted Answer

Ordinate dimensioning is a type of recta

Question 8

Describe tabular dimensioning.

Accepted Answer

Tabular dimensioning is another form of

Question 9

Discuss the two reference point systems used to position tools in a CNC machine for work on a part.

Accepted Answer

In absolute positioning, all process loc

Question 10

In ____, the dimensions are measured from two or three mutually related datum planes.

Accepted Answer

A)  ordinate dimensioning 
B)  tabular dimensioning 
C)  nominal dimensioning 
D)  normal dimensioning 
A)  ordinate dimensioning 
B)  tabular dimensioning 
C)  nominal dimensioning 
D)  normal dimensioning

Question 11

The dimensions of a coordinate and features that are to be fabricated on coordinates are given in a ____.

Accepted Answer

A)  spatial chart 
B)  reference chart 
C)  dimension chart 
D)  coordinate chart 
A)  spatial chart 
B)  reference chart 
C)  dimension chart 
D)  coordinate chart

Exam 28: Datums Ordinate and Tabular Dimensioning

Machines controlled by data that are specially coded with numbers, letters, and special characters are operated by ____.

Describe the type of dimensioning that the accompanying figure illustrates.

In ____, dimensions from intersecting datum planes are given in a table.

Describe a datum and how it is used.

Describe computer numerical control.

In absolute positioning, all process locations are given as distances from a ____.

Explain ordinate dimensioning and zero coordinates.

Describe tabular dimensioning.

Discuss the two reference point systems used to position tools in a CNC machine for work on a part.

In ____, the dimensions are measured from two or three mutually related datum planes.

The dimensions of a coordinate and features that are to be fabricated on coordinates are given in a ____.

Bases for Blueprint Reading and Sketching

The Alphabet of Lines and Object Lines

Hidden Lines and Center Lines

Extension Lines and Dimension Lines

Projection Lines, Other Lines, and Line Combinations

Three-View Drawings

Arrangement of Views

Two-View Drawings

One-View Drawings

Auxiliary Views

Size and Location Dimensions

Dimensioning Cylinders, Circles, and Arcs

Size Dimensions for Holes and Angles

Location Dimensions for Points, Centers, and Holes

Dimensioning Large Arcs and Base Line Dimensions

Tolerances Fractional and Angular Dimensions

Tolerances Unilateral and Bilateral, Decimal Dimensions

Interchangeable Parts, Allowances, and Classes of Fit

Representing and Dimensioning External Screw Threads

Representing and Specifying Internal and Left-Hand Threads

Dimensioning Tapers and Machined Surfaces

Dimensioning With Shop Notes

Metric System Dimensioning and Iso Symbols

First-Angle Projection and Dimensioning

Metric Screw Threads, Dual Dimensioning, and Tolerancing

Cutting Planes, Full Sections, and Section Lining

Half Sections, Partial Sections, and Full Section Assembly Drawings

Geometric Dimensioning, Tolerancing, and Datum Referencing

Caddcamcim and Robotics

Welding Symbols, Representation, and Dimensioning

Surface Development and Precision Sheet Metal Drawing

Detail Drawings and Assembly Drawings

Sketching Horizontal, Vertical, and Slant Lines

Sketching Curved Lines and Circles

Sketching Irregular Shapes

Sketching Fillets, Radii, Rounded Corners, Edges, and Shading

Freehand Vertical Lettering

Freehand Inclined Lettering

Orthographic Sketching

Oblique Sketching

Isometric Sketching

Perspective Sketching

Pictorial Drawings and Dimensions

Two-Dimensional and Three-Dimensional Cad Sketching

Proportions and Assembly Drawings

Filters