ET 1100 Midterm exam (Ch. 1 - Ch. 7)

__________________________ is a thick hidden line or a thick phantom line terminating with large arrowheads at ninety degrees.

Cutting plane or viewing plane line

A _______________________________ angle is the angle formed when two planes intersect.

Dihedral

When looking at a machine line, the angled line pointing to the machine line directly is an example of a _______________________.

Dimension Line

Third angle projection is used by the United States. What country/continent does not?

Europe, which uses 1st Angle Projection

When looking at a machine line, the diagonal line pointing to the end of the machine line is an example of a/an ___________________________________.

Extension

An inch "B" size paper is 17" x 22". True or False?

False; "C" size paper is this size, B is 11" x 17"

All students have excellent handwriting and never need to practice lettering skills. True or False?

False; ...for obvious reasons

Blueline grid papers are spaced 1/2" between lines. True or False?

False; Blueline grid papers are spaced 1/4" between lines

Perspective drawings are the most common type of pictorial used in technical drawings. True or False?

False; Isometric drawings are the most common type of pictorial used

A metric A1 size paper is 210 x 297 millimeters. True or False?

False; Metric A4 is this size

Titles and page numbers should be the same size as all letters on the print, usually 3 mm. True or False?

False; Titles and page numbers CAN be 3mm BUT can be up to 6mm in height

An inclined plane is parallel to any or all principal planes. True or False?

False; an inclined plane is not parallel to any or all principal planes

An oblique plane is parallel to all principal planes of projection. True or False?

False; an oblique plane is neither parallel or perpendicular to all principal plans of projection

The term cope is the lower section of the two-part model cavity. True or False?

False; cope is the upper section of the model cavity, drag is the lower section

The easiest way to draw a straight line is to use the "line to line" method. True or False?

False; dot-to-dot is the easiest method

Guidelines on a sketch for lettering isn't needed. True or False?

False; guidelines are used in order to keep letters uniform

Multiview drawings consist of a front top and left side view. True or False?

False; multiview drawings consist of a front, top, and right side view

In an auxiliary view, the plane of projection is place perpendicular to the inclining surfaces. True or False?

False; plane of projection is placed parallel to the inclining surfaces

Sand casting usually creates a smooth final surface. True or False?

False; sand casting creates a rough final surface

When drawing ellipses on normal isometric planes, the minor axis of the ellipse is parallel to the plane containing the ellipse. True or False?

False; the minor axis is perpendicular to the plan containing the ellipse

When forming letters on a sketch the direction of the pencil strokes is not important. True or False?

False; there are directions for pencil strokes

Vinyl erasers are not the best erasers used for sketching. True or False?

False; vinyl erasers are the best eraser

When creating an auxiliary view off the right view the width dimension can be found in _____________ view.

Front

A __________________ section is created when the cutting plane hafline passes entirely through an object.

Full

A ____________ section is created by cutting into a symmetric cylindrical part and removing one quarter of the object.

Half

The image on pg 46 (SEC 16) is an example of what kind of section view?

Half

The image shown represents what type of line.

Hidden

An illustration with front, right, and top views is an _______________________ pictorial.

Isometric

A thin, 'lightening bolt' line represents what type of line.

Long Break

Surface "A" image on pg. 25 in the isometric view below is called an ________________________________ surface.

Oblique Surface

An _________________ section is a type of full section where the cutting plane includes 90° bends in order to pass through a number of important details.

Offset

The image on pg 49 (SEC 22) is an example of what kind of section view?

Removed

A ____________ section is developed when a cutting plane passes perpendicular to the axis of an elongated symmetrical feature and rotated 90° into the viewing plane.

Revolved

The arrow is pointing to what type of line?

Section Line

___________________________ are thin angled lines used to indicate the solid material that would touch a cuttingblade when cutting through an object.

Section Lines

An auxiliary view is needed to _______________________.

Show the true size and shape

A 45° miter line is used to transfer details between the top and right views. True or False?

True

A common architectural scale used to draw floor plans is 1/4" = 1'. True or False?

True

A normal plane is parallel to two principal planes and projects as an edge view in the other four planes. True or False?

True

American National Standards Institute (ANSI) approved line types used in technical drawing. True or False?

True

An auxiliary view is positioned perpendicular to the line of sight. True or False?

True

Architectural drawings often use stylized lettering, unique to the individual draftsman. True or False?

True

Fillets and rounds are used on patterns for the purpose of appearance, softening edges, and increasing strength. True or False?

True

General-purpose section lining (ANSI 31) is normally drawn at 30°, 45°, or 60° angles to the left or to the right. True or False?

True

Holes and cylinders that lie on normal planes appear as ellipses in isometric drawings. True or False?

True

Isometric Rule #1 states that you can measure on or parallel to the isometric axis only. True or False?

True

Isometric drawings are a pictorial view of an object that is used to help non technically trained people that might need help interpreting the multi-view drawing. True or False?

True

Lead diameters 0.5 and 0.7 work for most sketching. True or False?

True

Lettering on a drawing clarifies special details, dimensions, and notes. True or False?

True

Lettering on a sketch should be 3 mm or 1/8". True or False?

True

Normally when people refer to "blueprints", they are not referring to traditional drawings that have white lines and a blue background. True or False?

True

Partial views are used to show the viewer only the needed true shape feature and not the features on the inclining surfaces. True or False?

True

Section lining is used to show what material is in the cutting plane. True or False?

True

Section views are needed to clarify the internal features of an object. True or False?

True

Sketching is the most effective way to illustrate an object or explain a process. True or False?

True

The 7B lead is very soft and is used for shading and artistic renderings. True or False?

True

The four-step method for sketching a circle begins by drawing a square. True or False?

True

The locations of the features in an auxiliary view off the top plane are taken from the front view. True or False?

True

The most common break line used to indicate that a view is incomplete is a free hand wavy line. True or False?

True

The process of creating a removed section is exactly the same as for a revolved section except the resulting revolved cross-section is displayed off the original view. True or False?

True

The space between notes should be triple spaced if possible to improve the clarity of each note. True or False?

True

The technique of drawing circles and arcs is four center approximation method. True or False?

True

This text illustrates only the most common style of lettering called single stoke gothic. True or False?

True

When drafting by hand or using 2D CAD system, it is often easier to draw the auxiliary view first and then project points back to the principal view. True or False?

True

Wide or "fat" letters are easier to read then tall narrow letters. True or False?

True

If a line is a point in one view it will be a _________________ ________________ line in the adjacent view.

True length

Often line types representing different details will fall on top of one another. When this happens the hierarchy of lines must be used in this order: _______ lines are most important, followed by _________, then ___________ plane, and finally _____________ lines.

Visible, hidden, cutting plane, center

The angle between the isometric axis is __________________.

120 degrees

Isometric drawing vs. true isometric projection is ____________ % of the size of an isometric drawing.

80%

The image shown is an example of ___________________ line.

Center line