Finals Study Guide

Question 1

The mental representation and manipulation of two and three dimensional objects.

Answer 1

spatial visualization

Question 2

A form of pictorial representation or graphical model in which all dimensions parallel to the three principal spatial axes are shown in their true proportions.

Answer 2

Isometric Sketching

Question 3

The ratio or relationship between a distance or area on a map and the corresponding distance or area on the ground, commonly expressed as a fraction or ratio.

Answer 3

Scale

Question 4

Also known as solid modeling. The process of creating a solid model or three-dimensional object using a modeling and design application on a computer.

Answer 4

3D Modeling

Question 5

A solid modeling technique where geometry is subtracted from existing model geometry.

Answer 5

Subtractive

Question 6

A solid modeling technique where geometry is added to existing model geometry.

Answer 6

Additive

Question 7

What is the acceptable amount of dimensional variation that will still allow an object to function correctly?

Answer 7

Tolerance

Question 8

_____________________ provides an allowable variation in only one direction.

Answer 8

Unilateral Tolerance

Question 9

______________ permits variation in both directions from the specified dimension.

Answer 9

Bilateral Tolerance

Question 10

________________ provides an upper and lower limit for the dimension of a part.

Answer 10

Limit Dimension

Question 11

+.004 -0.00 is an example of a ______ tolerance.

Answer 11

Unilateral

Question 12

+ or - 0.03 is an example of a ______ tolerance.

Answer 12

Bilateral

Question 13

.505 .495 is an example of a ______ dimension.

Answer 13

Limit

Question 14

What would the upper and lower limits be for the following bilateral tolerance? (1.50 +/- .05)

Answer 14

1.45-1.55 inches

Question 15

Identical components that can be substituted for one another, particularly important in the history of manufacturing. As precision instrumentation became available, large numbers of identical parts could be produced at lower overall cost.

Answer 15

Interchangeable Parts

Question 16

Two areas of one or more parts that contact each other. The areas may be flanges, edges, aligned holes, or similar features.

Answer 16

Mating

Question 17

A manufacturing method used for rapid prototyping where three-dimensional objects are built by adding layer upon layer of material.

Answer 17

Additive

Question 18

The tightest possible fit between two mating parts.

Answer 18

Allowance

Question 19

Limits the size of mating parts so that a clearance or space always results when mating parts are assembled.

Answer 19

Clearance Fit

Question 20

The fastening between two parts which is achieved by friction after the parts are pushed together, rather than by any other means of fastening.

Answer 20

Interference Fit

Question 21

Occurs when two mating parts can sometimes have a clearance fit and sometimes have an interference fit.

Answer 21

Transition Fit

Question 22

Removes all degrees of freedom between 2 entities.

Answer 22

Fastened Mate

Question 23

Allows rotation about the z-axis.

Answer 23

Revolute Mate

Question 24

Allows translation about the z-axis.

Answer 24

Slider Mate

Question 25

Allows translation along the x and y axes and rotation along the z.

Answer 25

Planar Mate

Question 26

Allows translation and rotation about the z-axis.

Answer 26

Cylindrical Mate

Question 27

Use relief cuts when cutting tight curves as needed.

Answer 27

True

Question 28

The blade guard should extend only about a 1/4 to 1/2 inch above the material being cut.

Answer 28

True

Question 29

Safety glasses are optional when using the band saw.

Answer 29

False

Question 30

Loose clothing, long hair, and lanyards should be tucked away before use.

Answer 30

True

Question 31

Hands, fingers and/or any other body part should not be inline and/or within 2 inches of the blade.

Answer 31

True

Question 32

Press hard as the blade is about to exit the material being cut.

Answer 32

False

Question 33

Concentrate on what you are doing while using the bandsaw.

Answer 33

True

Question 34

If the blade brakes, allow the saw to keep running.

Answer 34

False

Question 35

Be sure to clear loose material or scrap off the bandsaw table before and after each use.

Answer 35

True

Question 36

It’s ok to leave the band saw running when you are done as long as no one is around.

Answer 36

False

Question 37

A process that repeats a series of steps over and over until the desired outcome is obtained.

Answer 37

Iterative

Question 38

Making the best or most effective use of resources to get the best possible solution.

Answer 38

Optimization

Question 39

A standard, rule, or test by which something can be judged.

Answer 39

Criteria

Question 40

An average of a set of numeric data values. It is calculated by taking the sum of individual values divided by the number of individuals.

Answer 40

Mean

Question 41

__________________ design criteria should provide a precise indicator of a quantifiable characteristic so that a design can be compared to the criteria and deemed acceptable or unacceptable.

Answer 41

Measurable

Question 42

A person who is trained in and uses technological and scientific knowledge to solve practical problems.

Answer 42

Engineer

Question 43

An extreme value that differs greatly from other values in a set of data.

Answer 43

Outlier

Question 44

The set of output values of a function.

Answer 44

Range

Question 45

Step 1 of the Engineering Design Process

Answer 45

Define the Problem

Question 46

Step 2 of the Engineering Design Process

Answer 46

Generate Concepts

Question 47

Step 3 of the Engineering Design Process

Answer 47

Develop Solution

Question 48

Step 4 of the Engineering Design Process

Answer 48

Construct and Test

Question 49

Step 5 of the Engineering Design Process

Answer 49

Evaluate Solutions

Question 50

Step 6 of the Engineering Design Process

Answer 50

Present Solution