Question 1

Describe counterbored holes.

Accepted Answer

A counterbored hole is one that has been machined to a larger diameter for a specified depth so that a bolt or pin will fit into this recessed hole. The counterbored hole provides a flat surface for the bolt or pin to seat against.

Question 2

In the accompanying figure, the measurement indicates a(n) ____.

Accepted Answer

A)  arc 
B)  chord 
C)  diameter 
D)  radius 
A)  arc 
B)  chord 
C)  diameter 
D)  radius A

Question 3

Discuss how some job shops give diameters of holes that are either formed by drilling, boring, reaming, or punching.

Accepted Answer

Several job shops give diameters of holes that are either formed by drilling, boring, reaming, or punching with a leader, followed by a note like 1 within a circle, indicating the type of operation to be performed, and 2 within a circle, indicating the number of holes to be produced.

Question 4

In the accompanying figure, the symbol in section identified with the number 3 indicates the ____.

Accepted Answer

A)  width of the hole 
B)  depth of the hole 
C)  diameter of the hole 
D)  diameter of the drill 
A)  width of the hole 
B)  depth of the hole 
C)  diameter of the hole 
D)  diameter of the drill

Question 5

A(n) ____ hole is a cone-shaped recess machined in a part to receive a coneshaped flathead screw or bolt.

Accepted Answer

A)  countersunk 
B)  extension 
C)  chamfered 
D)  counterbored 
A)  countersunk 
B)  extension 
C)  chamfered 
D)  counterbored

Question 6

Describe the dimension line for an angle.

Accepted Answer

The dimension line for an angle should b

Question 7

The amount of the ____ is the amount the lines move away from each other.

Accepted Answer

A)  convergence 
B)  pincushion 
C)  divergence 
D)  perspective 
A)  convergence 
B)  pincushion 
C)  divergence 
D)  perspective

Question 8

In the accompanying figure, the arrow points to a(n) ____.

Accepted Answer

A)  counterbored hole 
B)  chamfered hole 
C)  countersunk hole 
D)  extension hole 
A)  counterbored hole 
B)  chamfered hole 
C)  countersunk hole 
D)  extension hole

Question 9

Explain how countersunk holds are dimensioned.

Accepted Answer

Countersunk holes are dimensioned by giv

Question 10

A(n) ____ hole is one that has been machined to a larger diameter for a specified depth so that a bolt or pin will fit into this recessed hole.

Accepted Answer

A)  countersunk 
B)  extension 
C)  chamfered 
D)  counterbored 
A)  countersunk 
B)  extension 
C)  chamfered 
D)  counterbored

Question 11

Explain how counterbored holes are dimensioned.

Accepted Answer

Counterbored holes are dimensi

Exam 13: Size Dimensions for Holes and Angles

Describe counterbored holes.

In the accompanying figure, the measurement indicates a(n) ____.

Discuss how some job shops give diameters of holes that are either formed by drilling, boring, reaming, or punching.

In the accompanying figure, the symbol in section identified with the number 3 indicates the ____.

A(n) ____ hole is a cone-shaped recess machined in a part to receive a coneshaped flathead screw or bolt.

Describe the dimension line for an angle.

The amount of the ____ is the amount the lines move away from each other.

In the accompanying figure, the arrow points to a(n) ____.

Explain how countersunk holds are dimensioned.

A(n) ____ hole is one that has been machined to a larger diameter for a specified depth so that a bolt or pin will fit into this recessed hole.

Explain how counterbored holes are dimensioned.

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

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

Datums Ordinate and Tabular Dimensioning

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

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