TEST 4 BI*&H

Drawings in which more than one view is provided to give an accurate shape description of an object are ______ drawings.

Multiview

Imagining that an object is enclosed in a hinge glass box and a view is projected to each side of the box is a technique called ______ which permits a 3D object to be described into two dimensional prints.

Orthographic Projection

When only the angular surface is shown in auxiliary view the view is called a ______ auxiliary view.

Partial Auxiliary View

When a cutting plane line indicates an imaginary cut through an object, the cut surface shown on print using ______ lines.

Section Lines

A ______ view is used to show the true internal shape of a complex object without using a large number of hidden lines.

Sectional View

The part of the print that provides information about scale and tolerance requirements is the what?

Title Block

TorF: A conventional break allows long objects to be shortened so a large scale can be used

True

TorF: Adjacent thin sections are separated by very narrow white spaces

True

TorF: Extension lines indicate the termination of a dimension

True

TorF: The dimension of an object is placed at the midpoint of a dimension line

True

The type of line used to show visible edges and contours of an object is what?

Visible Object Lines

Section created using a set non-linear cutting plane

offset section

TorF: The principal views commonly shown on a print; top, front, and rear

False

TorF: The symbol for steal is used as general purpose section lining

False

TorF: The true shape and size of objects that angular or slanted surfaces cannot be shown using the principal view

False

Hidden features of an object are shown using what lines?

Hidden Lines

One of the purposes of a ______ line is to show alternate positions of moving parts.

Phantom Lines

TorF: The purpose of a litter is to call out specific features.

True

TorF: The six directions from which an object is normally viewed are the top, bottom, front, rear, left and right side views

True

TorF: The symbol for cast iron is also used for general purpose section lining

True

Section used when a small portion of a sectional view will provide the necessary information.

broken out section

Dimension lines have _____ lines at each end to show where the dimension terminates.

Extension Lines

TorF: A dimension line with an arrowhead at only one end is knows as a break line

False

Section that has been moved to another part of the print so that it can be enlarged for clarity.

removed section

A section that is turned 90 degrees

revolved section

The type of projection that is most commonly used in Europe is a ________ angle projection

1st Angle Projection

The type of projection that is most commonly used in the United States and Canada is a ______ angle projection.

3rd Angle Projection

Together the types of lines used to describe the shape and size of an object on a print are known as what?

Alphabet of Lines

Objects that have angular or slanted shapes often require the use of a ______ view to show their true shape and size.

Auxiliary View

A line that removes sections to provide clear detail in viewing parts below the removed part is a ______ line.

Break Lines

The center of holes, weld plugs and round parts are shown on prints using ______ lines.

Center Line

The heavy line labeled with letters at both ends that is used to show the direction from which a sectional view is taken is a ______ line.

Cutting Plane

A line on a print that indicates the point from which a section is taken is the ______ line.

Cutting Plane Line

The type of line that indicates the extent and direction of a dimension is a ______ line.

Dimension Lines

TorF: A half section shows an object cut in half so the entire object can be shown in section

False

TorF: A heavy irregular free hand line indicates a long break

False

TorF: A sectional view is used to show slanted surfaces at their true shape and size

False

TorF: Both long break and short break lines are thick lines.

False

TorF: Center lines have long dashes alternating with two short dashes

False

TorF: Cutting plane lines are thin dark lines

False

TorF: In first angle projection the top view is positioned directly above the front view

False

TorF: Offset sections are primarily limited to symmetrical objects

False

TorF: Phantom lines and cutting plane lines are interchangeable

False

Another term for section lining.

crosshatching

Section that shows one half of the interior features of a symmetrical object and one half of the exterior features.

half section