In isometric projection, all distances are approximately this percentage of their true size:
120 percent
80 percent
50 percent
20 percent
Correct Answer :
B. 80 percent
Related Questions
Some traditional board drafters preferred the drafting machine over the parallel straight edge because it could be used without the need for________.
Circle templates
Triangles
Technical pens
Lettering guides
This is how axonometric, oblique, and perspective sketches show objects:
Orthographically
Pictorially
Obliquely
Parallel
This is a thin solid line directing attention to a note or dimension and starting with an arrowhead or dot:
Dimension line
Extension line
Leader
Specification
Isometric drawings are often used by ________ to help illustrate complex designs.
Mechanical engineers
Piping drafters
Aerospace engineers
All of the above
In oblique projection, important shapes should be in this position relative to the viewing plane:
Parallel
Perpendicular
Adjacent
Rotated
This type of structural steel drawing shows all dimensions necessary for fabrication:
Shop drawings
Design drawings
Weldment drawings
Application drawings
The top, front, and bottom views align in this manner:
Horizontally
Vertically
According to the planar views
Parallel to the frontal plane
This is a flat or rounded tab protruding from a surface, usually to provide a method for attachment:
Lug
Boss
Chamfer
Spotface
This is used to indicate that a surface is to be machined:
Finish mark
Machining mark
Roughness indicator
Coordinate mark
This type of solid has a polygon for a base and triangular lateral faces that intersect at a vertex:
Pyramid
Prism
Cone
Torus
The site plan illustrates ________.
The floor plan
Where the house sits on the property
The roof plan
Where the garage and driveway are located
The ________ dimension tool will place the length of an angled line.
Aligned
Angle
Linear
Radial
In some circumstances an entire drawing can be inserted into a different drawing as a block. When this is used the base point will default to ________.
0, 0
10, 10
20, 20
30, 30
A cylinder can be created by drawing a rectangular shape then the ________ tool.
Revolve
Sweep
Extrude
None of the above
This is the total amount that the feature on the actual part is allowed to vary from what is specified by the dimension:
Allowance
Tolerance
Specification
Difference
This type of thread is a thread on the inside of a member:
Basic thread
External thread
Internal thread
Major diameter thread
This type of weld is the most common in structural steel fabrication:
Fillet weld
Beam weld
Rivet weld
Structural weld
In order to convert fractional inches into decimal inches ________.
Look on a metric conversion chart
Divide the numerator (top number) by the denominator (bottom number)
Check the engineer's scale
All of the above
One critical issue drafters need to pay close attention to is the ________.
Size of the sheet
Designer's intent
Scale factor
None of the above
The ________ is a standard element of a section view in a technical drawing.
Cutting Plane line
Section lines
Material hatch pattern
All of the above
There are two main types of projection:
Parallel and Orthographic
Station-point and Perspective
Parallel and Convergent
Perspective and Parallel
In perspective drawings this is placed between the observer and the object:
Vanishing point / horizon
Station point
Ground line
Plane of projection / picture plane
A line drawn with a long section, short dash, and another long section is a ________.
Hidden feature
Center of a circle
Center axis of a hidden cylinder
Center of a radius
This type of surface may be a plane, a single curved surface, or a warped surface:
Edge surface
Ruled surface
Auxiliary surface
Developed surface
This type of auxiliary view is projected onto a plane that is perpendicular to one of the principal planes of projection:
Primary
Secondary
Revolved
Successive
This is used in applications for nonferrous construction:
Copper tubing
Steel pipe
PVC pipe
Iron tubing
CAD programs which incorporate parametric modeling utilize a system in which the dimensions control the ________.
Size and shape of the model features
Perspective of the model
Shading used to render the model
All of the above
The daily workload of a ________ drafter would generally include technical drawings of machine parts.
Architectural
Civil
Electrical
Mechanical
A partial auxiliary view usually shows only features on the ________ of the inclined line and not any projection of other planes.
Hidden lines
Plane
Center lines
None of the above
A half-moon protractor is divided into how many degrees?
360
180
270
310