Ch 8 and Ch 9 Engineering
three
Multi-view drawings are often called ____-view drawings.
30
Oblique pictorials that are drawn at a ____-degree angle may be sketched using isometric grid paper.
underwriters
One well-known product testing organization is ____ Laboratories (UL).
drafting
Prior to the development of the computer, drawings were made on vellum using pencil and ink in a process known as ____.
features
Sketches are turned into 3D models by ____, a term often used to describe a number of functions, such as extrusion, lofting, revolving, sweeping, and shelling.
F
Solid modeling is a method that involves mathematically describing solely the interior of an object. T or F
engineering change
Team members can indicate changes by including a dated revision note on the drawing and by issuing an ___ notice (ECN).
F
Test results most often take the form of descriptions. T or F
F
The arrows on a cutting plane line indicate what part of the object is to be retained. T or F
all interrelated
The criteria of good design are ____.
rupture
The failure point is also known as the ___ point.
axonometric
The general term used to describe the different projected views is known as ___ projection.
ultimate
The maximum force a material can withstand is called its ____ strength.
Young's
The modulus of elasticity is also called ___ modulus.
F
There is no difference between a drawing and a projection. T or F
T
Though CAD solid modeling programs automatically generate technical drawing views, accurately communicating dimensions and tolerances is still a manual process conducted by a designer. T or F
T
Today, many companies develop technical drawings automatically from 3D CAD models. T or F
T
When a material stretches (strains) proportionally to the amount of force (stress), that material conforms to Hooke's law. T or F
dimension
___ lines are used to indicate an object's size, as well as the sizes and the locations of its features.
annotations
____ are explanatory notes on drawings that provide important information to the person reading the drawing.
testimonials
____ are opinions of those who have tried your product and will endorse it.
life-cycle
____ cost is the total cost of a product that includes the amount spent on energy to run it.
strain
____ is the change in length of the material that is under stress.
stress
____ is the force applied to a material.
aesthetics
____ refers to the pleasurable response you get to an object or experience.
performance
____ refers to whether the product does what it is supposed to do.
free-form
_____ surface modeling is a technique that allows the designer to create a "skin" over a component, creating curves in almost any shape desired.
ergonomics
_____, or "human factors engineering," has to do with designing products and environments that work well with people.
chamfer
A ____ is often used on outside intersecting planes by removing material at an angle to one of the planes.
Rockwell
A standard measurement of hardness if the ___ hardness test.
oblique
A(n) ____ projection drawing has one face parallel to the viewing plane.
sectional
A(n) ____ view provides a view of an object as though it were cut by a saw.
convention
A(n) _____ refers to the way in which something is usually done.
F
Engineering testing is only performed on the product or system as a whole once its components are assembled. T or F
T
Hardness is indicated by a letter: R, L, M, E, and K. T or F
fatigue
Have you ever taken a small piece of plastic or metal and bent it back and forth until it broke? If you have, you have performed a(n) ___ test.
metric
ISO standards are based on the ____ system.
elastic
If you keep stretching a material it will eventually get to a point where it will no longer return to its original shape when the tension is released. This stage is called the ____ limit.
feet
In architecture building design, most units are in ____, so a scaled of that unit is required to represent the building on paper.
F
In your evaluation, you must only look at your own role in the designing and making of the solution. T or F