Introduction to Engineering Design. Part A

Transcription

1 Introduction to Engineering Design Final Examination Part A Spring 2008 Student Name: Date: Class Period: Total Points: /40 Converted Score: /50 Page 1 of 12

2 Part A - Multiple Choice Directions: This is a CLOSED-BOOK/CLOSED-NOTES exam. Select the letter of the response, which best completes the item or answers the question. Then record your answer on the answer sheet provided for Part A. 1. What step in the design process would a design brief be written? A. Refining the Design C. Defining the Problem B. Identifying Criteria and Exploring Constraints D. Selecting an Approach 2. Designers/engineers record their daily project work in a(n) to archive their work and to legally prove the origin of an idea. A. Engineer s Notebook C. Project Portfolio B. Specifications Sheet D. Storyboard 3. What type of three-dimensional sketch contains a combination of a flat orthographic front view, with depth lines receding back at an angle, usually 45 degrees? A. Two-point perspective C. Isometric B. Orthographic D. Oblique 4. What could be added to a three dimensional sketch to enhance its appearance? A. Hidden lines C. Dimensions B. Tonal shading D. Center lines 5. The wood block to the right block has a height of 2 inches. What would the block s height be if you converted it to millimeters? A. 2 mm C. 51 mm Page 2 of 12

3 B. 6 mm D. 76 mm 6. Read the measurement on the dial caliper to determine the diameter of the metal bar stock below. A C..437 B..347 D A quality control technician has requested a statistical analysis on a manufactured part. What is the median value from the following set of data? Data Set: 75, 72, 82, 77, 73, 69, 80 A. 73 C. 76 B. 75 D A is a written document that identifies a problem to be solved, along with criteria and constraints. A. Research Paper C. Portfolio B. Design Principles D. Design Brief 9. What type of model is represented by this clay car image to the right? Page 3 of 12

4 A. Mock-up C. Realistic B. Prototype D. Functional 10. What geometric reference does the hole have to the cylinder below? A. Perpendicular C. Concentric B. Colinear D. Relative 11. What is the countersink diameter of the hole pictured to the right? A..25 C..75 B..5 D What is the area of a 1.5 x 3 triangle? A C. 3.5 B. 3 D. 4.5 Page 4 of 12

5 13. Which figure above could result in the greatest amount of overall width variation if the tolerance for each dimension is 0.02 inch? A. Figure 1 C. Figure 3 B. Figure 2 D. Figure What dimensioning system best describes the image below? A. Chain C. Orthographic Page 5 of 12

6 B. Two-dimensional D. Datum 15. If a single mate constraint is applied between two opposing surfaces in an assembly, how many degrees of freedom will remain between the two parts? A. 1 C. 3 B. 2 D You have purchased a product, brought it home, and attempted to assemble it. However, you are missing one steel cover plate screw. Carefully study the parts list below. How many of these screws were supposed to be included in the original package? A. 1 C. 7 B. 2 D. 8 Page 6 of 12

7 17. What type of hole is being created on this part? A. Through C. Countersink B. Counter bore D. Blind 18. What view is needed to accurately show the true size and shape of the incline plane on a skateboard ramp? A. Auxiliary C. Section B. Detail D. Top 19. Designers commonly identify so that the product being designed will meet the needs of a specific person or group of people. A. Target consumers C. Measuring standards B. Architects D. Production costs Page 7 of 12

8 20. What part of the design process is the following statement an example of? Design, test and build a system for storing adult mountain bikes. The system must provide a safe structure for supporting at least one bicycle. A. Problem Statement C. Design constraints B. Consumer design D. Design statement 21. What type of power is directly responsible for lifting rocks and digging into the earth as depicted by the letters A in the image to the right? A. Gasoline C. Hydraulic B. Diesel D. Electric 22. What visual principle of design best describes the surface of the patio table to the left? A. Informal Balance C. Unity B. Emphasis D. Radial Balance 23. What visual element of design best describes the image to the right? A. Value C. Form B. Color D. Texture Page 8 of 12

9 24. is the process of taking something apart and analyzing its workings in detail, usually with the intention to understand function, prepare documentation, electronic data, or construct a new or improved device or program, without actually copying from the original. A. Research and Development C. Concurrent Engineering B. Reverse Engineering D. Prototyping 25. The simple machine pictured to the right is classified as a(n). A. Screw C. Fulcrum B. Lever D. Incline Plane 26. On the part to the right, the arrow indicates what type of force will be applied during testing? A. Compression C. Tension B. Torsion D. Shear 27. The part pictured to left shows the results from a stress analysis test with 200 pounds of pressure that was applied to the front surface. What type of testing/analysis is this called? A. Brinnel Hardness Number (BHN) C. Plastic Pliability Quotient (PPQ) B. Finite Element Analysis (FEA) D. Product Pressure Test (PPT) Page 9 of 12

10 28. The part pictured to the right needs to be chrome plated for the application it will be used for. What physical property will the manufacturer need to know to be able to plate 5,000 of these parts? A. Volume C. Center of Gravity (COG) B. Density D. Surface Area 29. A totally new product or an original idea is called a(n). A. Innovation C. Invention B. Serendipitous event D. Prototype 30. What section of the Design Brief would the following statements represent? Can not exceed 3.25 lbs Must be able to withstand running at 2750 rpms Must be corrosion resistant A. Problem Statement C. Design Statement B. Constraints D. Deliverables 31. Engineers and designers commonly use a, which is a tool for systematically ranking alternatives according to a set of criteria. A. Parts List C. Comparison Chart B. Bill of Materials D. Decision Matrix Page 10 of 12

11 32. The o-ring identified in the assembly above is still a source of leaks within this personal hydration product. What type of analysis will the engineer/designer need to focus on to solve this issue? A. Functional Analysis C. Visual Analysis B. Structural Analysis D. Finite Element Analysis 33. What information is discovered from gathering demographic data? A Family Income C Design Standards B Graphic Designs D Demonstration Guidelines 34. Stages a product goes through from concept and use to eventual withdrawal from the market place is called. A. Human Impacts C. Ergonomics B. Cradle to Cradle D. Product Lifecycle 35. This government organization s mission is to assure the safety and health of America's workers by setting and enforcing standards. A. OSHA C. NAFTA B. FDA D. TSA 36. A is used for planning, managing, and controlling major programs that have a distinct beginning and end. A. Flow Chart C. Process Diagram B. Gantt Chart D. Manufacturing Manual Page 11 of 12

12 37. Many project teams are made up of team members that never meet face-toface; they communicate throughout the project using and sharing computer files. This type of project teamwork is referred to as. A. Concurrent Engineering C. Electronic Engineering B. Wireless Work D. a Virtual Team 38. The term used when project team members all generally agree on a decision is. A. Ethics C. Consensus B. Mediation D. Arbitration 39. Conflict between design team members is a common occurrence. What specific strategy can be used to address member conflict? A. Mediation C. Civil Court B. Conflict Resolution D. Critique 40. Questions like Have the goals of the team been clearly defined? Have the last few work days been productive? Why or why not? Have specific tasks been assigned to each team member? may be questions used on a? A. Gantt Chart C. Periodic Self-Assessment B. Post Design Survey D. Employee Questionnaire Page 12 of 12