Name _______________________________ Date ________________________________

IED Final Exam Spring 2014 Part A – Multiple Choice Directions: Select the letter of the response which best completes the item or answers the question. [ 2 points each ]

1.

2.

3.

4.

Generating a large quantity of ideas for a solution to a problem is called __________. A.

Constraining

C.

Ideation

B.

Brainstorming

D.

Implementation

The image at the right is an example of ________________.

A.

Airbrushing

C.

Tonal shading

B.

Highlights and shadows

D.

Coloring

The image in question #2 is an example of what type of pictorial drawing? A.

Isometric

C.

1 point perspective

B.

Oblique

D.

2 point perspective

The most common view used in three-view, orthographic drawings are _________________. A.

Front, top, left side

C.

Top, front, bottom

B.

Front, left side, right side

D.

Front, top, right side

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 1

5.

6.

7.

8.

9.

What term best describes the list of items below? • Must be made out of 4 to 6 pieces • Must be “interlocking” • Part cannot extend more than 3 units in any direction • No two parts can be the same A.

Client

C.

Constraints

B.

Deliverables

D.

Problem statement

What is the name of the item pictured to the right that is commonly found on a drawing sheet?

A.

Specification sheet

C.

Histogram

B.

Title block

D.

Parts list

Never dimension to a(n) A.

Hidden line

C.

Centerline

B.

Center mark

D.

Object line

The first part brought into an assembly is known as the base component. The base component is A.

Flexible

C.

Non grounded

B.

Adaptive

D.

Grounded

All of the icons pictured to the right represent ______________ constraints and can be used to define the shape and size of sketched geometry in a CAD system. A.

Assembly

C.

Design

B.

Numeric

D.

Geometric

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 2

10. If all of the dimensions on a part have the same precision as the dimensions below, which part would cost the most to machine? A.

3.98 in.

C.

3.9 in.

B.

4.102 in.

D.

4.00 in.

11. What part below would require an auxiliary view for manufacture? A.

C.

B.

D.

12. is a callout for what type of hole? A.

Blind hole

C.

Spotface

B.

Counterbore

D.

Countersink

13. What part below would require a section view for manufacture? A.

C.

B.

D.

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 3

14. What type of document includes the following section headings? • Client • Problem statement • Design statement • Constraints • Deliverables

15.

16.

A.

Specification sheet

C.

Design brief

B.

Title block

D.

Parts list

What tool used during the design process is pictured to the right?

A.

Parts list

C.

Decision matrix

B.

Bill of materials

D.

Specification sheet

What is the volume of the part to the right?

A.

8 in.3

C.

6 in.3

B.

12 in.3

D.

16 in.3

17. If a designer/engineer needs to calculate how many quarts of paint are needed to double coat 500 of one particular part in an assembly, what physical property would they need to know? A.

COG – center of gravity

C.

Area

B.

Volume

D.

Density

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 4

18.

A(n) _____________ sketch is a sketch with text added to enhance the communication of the ideas/thoughts of the designer.

A.

Thumbnail

C.

Documented

B.

Preliminary

D.

Annotated

19. Which view generally contains the least number of hidden lines? A.

Top

C.

Right

B.

Front

D.

All views must contain hidden lines.

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 5

For Question 21 through 25, use the drawing of the hood to answer the following questions. [5 POINTS – 1 point each] Note: Notice the two surface indicators. 21.

What is the overall width of the hood? _______________

22.

What is the width of the inclined surface? _______________

23.

What is the height dimension to the center of the holes? _____________________

24.

What is the overall height of the hood? ________________

25.

To what depth should the holes be drilled? _________________

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 6

Part B – Short Answer DIRECTIONS: Record your answers for questions 1-6 on the Recording Sheet.

1.

Line Types

Place the letter of the line type that best matches each line type indicated in the illustration below (1.1, 1.2, 1.3, 1.4, and 1.5). Answers from the answer bank may be used only once. [5 POINTS – 1 point each]

1.1 ______________ 1.2 ______________ 1.3 ______________ 1.4 ______________ 1.5 ______________

Answer Bank A. Extension line C. Section line E. Hidden line G. Center line

B. Object line D. Leader line F. Dimension line H. Construction line

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 7

2.

Inventor Features Match the feature (2.1- 2.5) to the BEST selection listed in the answer bank below. Each selection may only be used once. [5 POINTS – 1 point each]

2.1 ________________

2.2 ________________

2.4 _______________

2.3 __________________

2.5 ________________

Answer Bank A. Loft

B. Fillet

C. Sweep

D. Revolve

E. Derived component

F. Mirror

G. Decal

H. Chamfer

I. Circular pattern

J. Rectangular pattern

K. Decal

L. Rib

M. Emboss

O. Coil

N. Shell

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 8

3.

Drawing Interpretation. Use the drawing below to answer questions 3.1 through 3.6.

[6 POINTS – 1 point each] 3.1

What is the fillet radius? _________________

3.2

What is the depth of the counterbore? __________________

3.3

What is the angular measurement between the counterbored holes? ____________

3.4

What is the overall size of the keyway? ___________

3.5

What is the distance from the center of the part to the center of the counterbored holes? _____________

3.6

What is the overall thickness of the part? ___________

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 9

4.

Calculating Material Usage

SHOW YOUR WORK

Calculate the surface area for the part below and determine the amount of stain the manufacturer would have to buy in order to cover 80 wood blocks, assuming each quart would cover 160 square inches. [8 points]

What is the surface area of the part? ____________________ How many quarts of stain should be ordered for 80 blocks? ________________ Surface Area Calculations:

Quantity of Stain Calculations:

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 10

5.

Part Model Creation [10 points]

The process of developing a 3D Inventor solid model of a hammer head has been divided into four phases. Each phase lists specific steps in the model’s creation. Based on the graphics below and the steps that are given for each phase, you are to complete the process by writing the missing steps. In each case, you must identify the specific Inventor function(s) being used, along with the name of the model feature (as labeled below) that you are referencing.

Step 5.1

Draw and dimension a sketch of the Center Block feature.

Step 5.2

______________________________________________

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 11

Step 5.3 Offset a vertical work plane halfway through the width of the Center Block. Step 5.4

Create a sketch plane on the work plane.

Step 5.5

Draw and dimension half of the profile of the two Hammer Ends and constrain them to the geometry of the Center Block.

Step 5.6

_____________________________________________________ _____________________________________________________

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 12

Phase 3: Creating the Hammer Neck Step 5.7

Offset a horizontal work plane from the bottom of the Center Block to a distance that is equal to the height of the hammer neck.

Step 5.8

Create a new sketch plane on the offset work plane.

Step 5.9

_____________________________________________________ _____________________________________________________

Step 5.10

Loft the bottom of the Center Block to the sketch of a rectangle.

Step 5.11

Create a new sketch plane on the top of the Center Block.

Step 5.12

Draw a sketch of a rectangle with corner fillets and constrain it to the Hammer Head.

Step 5.13

_____________________________________________________

Step 5.14

Use the _____________________ tool to create the rounded edges on the Center Block.

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 13

6.

Sketching

[ 10 points ] Create the following sketches of this figure on the attached grid paper . •

Isometric

•

Multi-view (Front/Top/Right)

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 14

7.

Inventor Modeling

[ 10 points ] Model the following part in inventor. (IPT) Create a “FINAL EXAM” folder in your hand-in folder. Create an “A” size IDW, fully and completely dimensioned. Print out and hand in with this exam. Save the IPT and the IDW in your FINAL EXAM folder.

Project Lead The Way, Inc. IED Final Exam – Spring 2014 – Page 15