ENGR 1182 Exam 1--someone's
If an arc is equal to or greater than ____ degrees, center lines and center marks should be used
180
For any object, no matter which method of tracking you use to create orthogonal views, your final step is to assure that each vertex in every view has at least ____ edges connected to it.
3
blueprints for drawing simple objects
Coded Plans
_______ features appear as a curved edge in one view and a surface in the other 2 views.
Curved
Angled with respect to vertical or horizontal planes(normal planes)
Inclined Planes
Are hidden edges shown in isometric views?
No
When creating an isometric sketch, make sure you show ____ of the surface in question.
Only the visible part
By using multiple ________ ________ we eliminate any misinterpretations that isometric projection allow
Orthogonal Projections
A surface that appears as its true shape in one view and as a line in the other 2 views is a _________ surface where it is perpendicular to the other 2 planes
Principle
Arcs are dimensioned as radii using the ____ symbol, which is shown preceding the dimension value.
R
With the isometric method, the axes are projected onto the paper as if you were looking down______.
The diagonal of a cube
Can inclined surfaces occur in any orientation on an object?
Yes
A(n) ____________________ point is a point whose location you feel certain you can identify on each of the orthogonal views.
anchor
A good choice for a(n) ____ would be an edge whose length, location, and orientation you can easily and confidently find on each of the orthogonal views.
anchor edge
When creating corner views of simple objects, lines are included ____ of surfaces.
at the intersection
What is another name for a corner view when the viewpoint is above the object?
birds eye view
When sketching arcs and circles, use lightly sketched square ________________________ to define the limits of the curved entities.
bounding boxes
____, represented by alternating short and long dashes, cannot be seen on the real object, but they must be included on the drawing to identify where the center of the circular hole is located on the object.
center lines
A numerical value expressed in appropriate units of measure and used to define the size, location, geometric characteristic, or surface texture of a part or part feature is a(n) ____.
dimension
A(n) ____ line, along with its arrowheads, shows the direction and extent of a dimension.
dimension
Circles appear as ____ in isometric sketches.
ellipses
Objects such as engineered parts can usually be fully defined when they are viewed through a set of viewing planes that together form a(n) ____.
glass box
_________________________, which are denoted as equally spaced dashed lines on a drawing, represent the edges of an object or its features that cannot be seen on the real object but would be visible if the object were partially transparent.
hidden lines
The most common curved feature in isometric sketches are ___.
holes
An ___________ surface appears as a edge/line in one view and its characteristic shape in the other 2 views where it is angled with the other 2 principal planes.
inclined
____ are used to direct a dimension, note, or symbol to the intended place on a drawing.
leaders
Any vertex not having three edges connected to it means a(n) ____________________ is missing.
line
Missing ______ can be located by aligning vertices between orthographic views
lines
An ____________ surface appears as its characteristic shape in all 3 views where it is angled with the 3 other principle planes.
oblique
In ____ projection, the image of an object is composed of points projected from individual points on the object onto the viewing plane such that the projection of each point is perpendicular to the viewing plane.
orthogonal
To create an ellipse that represents a circle in an isometric sketch, you first create a square bounding box as before; however, the bounding box will appear as a(n) ___________.
parallelogram
Although there are no defined rules as to which views must be included or excluded in a formal engineering drawing, there is a preferred configuration—the front, top, and ____ views.
right
How many standard or principal views are there?
six
A good rule of thumb to follow when dimensioning is to dimension only to visible or ____ lines.
solid
When drawing lines, the key is to make them as ____________________ as possible.
straight
To determine whether a part of the back edge of a hole is visible in an isometric sketch, you first need to locate ____ of the back hole.
the center
There are six views of an object. Which 3 views are needed to fully describe the object?
top,front,right
A single view of an orthogonal projection cannot fully describe an object true or false?
true
Both centerlines and center marks extend past the edges of the circular feature true or false?
true
Missing lines can be visible, hidden or centerlines
true
Orthogonal and Isometric projections both represent 3D objects in 2D space true or false?
true
When creating an isometric pictorial from a coded plan, remember that the object primarily grows ____.
up from the base.
Missing _______ can be determined by aligning vertices and edges between the 2 given orthographic views
views