REVIEW 1. Friday – Comprehensive Test 2. Monday – Drafting 3. Tuesday – Drafting Midterm Wednesday - Drafting Thursday – Multiple-choice and Short Answers Friday – Make up MID-SEMESTER EXAM EX. REV. January 7, 2011

EX. REV.

VALVES PISTON CONNECTING ROD CRANKSHAFT

TOP RIGHTFRONT TOPRIGHT FRONT

MATERIALS TECHNOLOGY IRON AGE SOCIETY RENAISSANCE INFO. AGE BRONZE AGE BRONZE STEEL INDUST. AGE

A D B C C

Great Britain 1.Access to the sea and world markets. 2.Abundance of farmers willing to move to cities and work in factories. 3.Developed practical use of science. 1.Loss of craft tradition. 2.Child labor. 3.Unhealthy working conditions.

1950 The general trend has been positive. This sector saw a slow increase in workers from 1700 to 1900, then an exponential increase from 1900 to 2000.

D H G A I E F B

LINEARROTATIONAL 1.Safety – is the product safe to use? 2.Reliability – will it work consistently over time? 3.Cost – is it affordable? 4.Quality Control – does it meet customer requirements? 5.Environmental Concerns – does it harm the natural or human environment negatively? 6.Manufacturability – can it be made? 7.Maintenance – how easily can it be maintained or upheld? 8.Ergonomics – how efficiently can the human body utilize it? 1. Creativity – able to think outside the box and create newly 2. Resourcefulness – able to meet situations and devise ways and means 3. Ability to think abstractly – holding complex mental images in mind

1. Information4. Energy7. Tools and Machines 2. Materials5. Capital (Money) 3. Time6. People Designs can ALWAYS be refined and improved. 1.Design is the result of a formal, sequential process. 2.Design is driven by profit motive and market ($ or not). 3.Design is the result of goal-oriented research. 4.Designs must be continually checked, refined, and improved 1.Natural – found in nature 2.Synthetic – human-made 3.Composite – mixture of natural and synthetic

The systematic application of scientific, mathematical, and technical principles that yields a tangible end product that meets our needs and desires Minimizing the likelihood of undesired outputs A limit or restriction Technology is a system because it is made up of many parts, and these parts have a relationship to each other and to the whole.

Technology system: INPUTS PROCESSESOUTPUTS GOALS FEEDBACK & Control

Start with:Goes to:Drives: Start with:Goes to:Drives: FLOW DIAGRAM Gas tank

Write the following topics that will be covered on the mid-semester exam. 1.Know the design process steps and their order 2.List and describe the 8 constraints on the engineering design process. 3.List and define the 9 core technologies. EX. REV.

1. Defining the problem 2. Researching and generating ideas 3. Identifying criteria and specifying constraints 4. Brainstorming 5. Exploring possibilities 6. Selecting an approach 7. Developing a design proposal 8. Making a model or prototype 9. Testing and evaluating the design, using specifications 10. Refining the design 11. Creating or making it 12. Communicating processes and results

1.Safety – is the product safe to use? 2.Reliability – will it work consistently over time? 3.Cost – is it affordable? 4.Quality Control – does it meet customer requirements? 5.Environmental Concerns – does it harm the natural or human environment negatively? 6.Manufacturability – can it be made? 7.Maintenance – how easily can it be maintained or upheld? 8.Ergonomics – how efficiently can the human body utilize it?

1.Mechanical – Robot Arm 2.Structural – Chassis / External Frame 3.Electrical – High Voltage Powering Systems 4.Electronic – Computer Systems 5.Fluid – Wing Air Foil 6.Optical – Lights 7.Thermal – Temperature Contol Units 8.Biotechnology – Food Preparation 9.Materials – Metal, Synthetic Fibers, Plastics

The technology of putting together mechanical parts to produce, control, and transmit motion. Mechanical Technology Example applications: Gear systems in a car transmission, Brakes on a bicycle, Agitator in a washing machine, Latch on a door. Springs in vehicle shocks U3c-L2

The technology of putting mechanical parts and materials together to create supports, containers, shelters, connectors, and functional shapes. Example applications: Legs on a chair, City water tower, Swimming pool, Roadways and Bridges, Bicycle spokes Airplane wing, Satellite antenna disc. Structural Technology

U3c-L2 The technology of producing, storing, controlling, transmitting and getting work from electrical energy. Example applications: Power plant generator, Flashlight, Electric motor in a can opener, Doorbell, Electric heater, Hair dryer. Electrical Technology

The technology of using small amounts of electricity for controlling; detecting; and information collecting, storing, retrieving, processing and communicating. Example applications: thermostat for controlling temperature, a metal detector, video tape recorder, computer, pocket calculator, telephone, radio, television. Electronic Technology U3c-L2

The technology of using fluid, either gaseous (pneumatics) or liquid (hydraulic) to apply force or to transport. Example applications: Air brakes on a truck, Tires on a car, Airfoils on an airplane, Warm-air heating ducts, Hydraulic jack, Plumbing in a school Hydro-electric dam Fluid Technology

The technology of producing light; using light for information collecting, storing, retrieving, processing and communicating; and using light to do work. Example applications: Lightbulb, Light-emitting diode, Lenses to magnify or reduce, Laser speed detector, Laser compact disk, Fiber-optic telephone communication, Laser cutting tools, Laser surgical instruments. Optical Technology U3c-L2

The technology of producing, storing, controlling, transmitting and getting work from heat energy. Example applications: Furnace, Hot water heater, Toaster, Insulation, Heat exchanger, Refrigerator, Hot air balloon. Thermal Technology U3c-L2

The technology of using, adapting, and altering organisms and biological processes for a desired outcome. Example applications “Stain-eating” enzymes in detergent, Bacteria “leaching” metals from ore, Altering plant genes to produce better crops. Oil-eating microbes used in oil spill remediation Genetically-modified agriculture Biotechnology

U3c-L2 The technology of producing, altering, and combining materials. Example applications: Producing paper from wood, Producing aluminum from ore, Drilling holes in wood, Annealing to soften metal, Laminating wood. Materials Technology

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