Ch 8 and Ch 9 Engineering

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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


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