The most common geometric form used in gears today is this:
Involute profile
Convolute profile
Base circle
Spur circle
Correct Answer :
A. Involute profile
Related Questions
By using a ________ section of a cylindrical mechanical part the drafter should be able to show only one view of the part.
Half
Whole
Revolved
Broken out
These maps are used in planning installations of trees, shrubbery, drives, and other garden features:
Landscape maps
Engineering maps
Topographic maps
Cadastral maps
Once the architect has finalized the house plans with the client any changes to the design requested by the client will require a ________.
Change order
Modification slip
Whole new set of drawings
None of the above
A full scale technical drawing will have a scale factor of ________.
1 : 1
1 : 2
2 : 1
1 : 4
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
In U.S. structural and architectural drafting, all dimensions of this length are usually expressed in feet and inches:
One inch or over
One foot or over
One yard or over
One rod or over
Three dimensional models are often used in the design process to __________.
Help the client understand the overall design concept
Help the client select a color for their carpet
Provide the client with a model which they can use to impress their friends
Determine the quantity of brick needed to build the house
In the mechanical design process the first step is to ________.
Brainstorm solutions
Prepare rough sketches
Prepare a budget
Identify the problem
4.The principle reason for using an auxiliary view is ________.
To eliminate hidden lines
To create a true projection plane from an inclined plane in one of the primary views
To show cylinders as ellipses
To locate center marks
This type of section is limited by a break line:
Removed section
Revolved section
Broken-out section
Half section
The type of line that projects from an object for the express purpose of locating a dimension is a ________ line.
Visible
Hidden
Extension
Dimension
When the receding lines are true length, and the projectors are at 45 degrees to the plane of projection, the oblique drawing is called this:
Cabinet projection
Cavalier projection
Axonometric projection
Isometric projection
One way to evenly space dimensions on a drawing is to use the ________.
Dimension Space tool
Linear tool
Continue tool
Baseline tool
These drawings are given to contractors to perform work or manufacture individual parts:
Assembly details
3D drawings
Working drawings
Skeleton assemblies
When using the direct entry method to create a horizontal line exactly three inches long the drafter should ________ first.
Pull the line from away from the starting point very carefully
Insure that Ortho is on
Enter 3 for the length of the line
Read the coordinate position on the Dynamic Readout
These breaks are used to shorten the view of an object:
Section breaks
Aligned breaks
Conventional breaks
Full breaks
In this type of drawing, vertical pipes may be revolved into the horizontal plane:
Standard view
Elevation view
Transverse piping
Developed piping
This material is used in masonry construction, most commonly for ornamental facing:
Face brick
Clay tile
Natural stone
Aggregate
This type of solid is egg-shaped and can be created by revolving an ellipse around one of its axes:
Ellipsoid
Torus
Cone
Cylinder
Using this as a communication and design review tool can help shorten the process and eliminate productivity barriers:
Development plans
Portable document files
The Internet and e-mail
Gantt charts
These are special installations of stone or concrete marking the locations of points accurately determined by precise surveying:
Topographic marks
Hatches
Monuments
Pillars
This practice considers an individual part's dimensions and tolerances and that part's relation to its related parts:
Applying allowances
Geometric dimensioning and tolerancing
Creating datum references
Angular dimensioning tolerances
Approximately this much of the cost of product development and manufacture is determined at the design stage:
40-50 %
60-75 %
70-80 %
75-85 %
This is the intersection of the ground plane with the picture plane:
Vanishing point
Ground line
Station point
Horizon
When the drafter types the word BLOCK or selects the Make Block tool from the Draw tool bar the ________ will appear.
Grid
Block Text Box
Block Definition Dialog
None of the above
In these drawings it is necessary to show cut surfaces and distinguish between adjacent parts:
Auxiliary drawings
Assembly sections
3D assemblies
Parts lists
Dimensions are used on the elevation plan to describe ________.
Finished floor elevations
Roof overhangs
Roof pitch angles
All of the above
Some common blocks used by architectural drafters include ________.
Door swings
Ceiling fans
Appliances
All of the above
When using versions of Auto-CAD prior to Release 2006 it may be necessary to ________ a block in order to edit it.
Copy
Explode
Offset
None of the above
The organized and orderly approach to solving problems is known as the:
Engineering process
Design process
Aesthetic process
Functional process