Opening Assignment Take out a piece of paper

Opening Assignment • Take out a piece of paper and pencil for a QUIZ!

Engineering Technology Manufacturing Company X makes 100 custom buses each year. Company Y makes 10, 000 of one type of bus each year. • 1. What does the word custom mean? • 2. Which of the following is the most likely reason a customer would buy a bus from company X instead of company Y? – A. to keep the cost of the bus low – B. to ensure that the bus will be easy to replace – C. to provide ideas about how the bus will be built 3. Why did you choose your answer?

• 4. What does mass production mean? • 5. Which of the following best describes an advantage of using a mass production manufacturing system instead of a custom manufacturing system? – A. Customers can provide specific feedback to workers. – B. Workers become skilled in all aspects of assembly. – C. Goods can be easily modified for customers. – D. Products can be made at a lower cost.

Engineering Design Process

Vocabulary words for Design process • Constraints – factors that you must consider when thinking about a solution/new design

Vocab words continued • Prototype • Building a model to test! • Trouble shooting • Making sure there are not faults with the design • A problem is solved but • tradeoffs something is sacrificed

• In the design process, a trade-off occurs when a problem is solved but a feature is sacrificed. Which of the following is an example of a trade-off? • A. A car’s gas mileage is increased and the engine has less power. • B. An airplane uses a more efficient engine and has higher performance. • C. A sports drink’s taste is improved and has the same nutritional content. • • D. A computer company upgrades the hardware and the price remains unchanged.

• A company is making prototypes for a new computer system. Which of the following statements best describes an advantage of making several different prototypes? A. They can be tested at the same time. B. They can be produced in large numbers. C. They will be bought by many different users. D. They will be sold for more than they cost to build.

Textbook • Page 26 the Oven as a System

• After a windstorm, Niko called the electric company to report that he had no electricity. His phone call is an example of which of the following elements of a universal systems model? • A. designing a process • B. generating output • C. giving feedback • D. setting a goal

Transportation

• • Thrust Drag Gravity Lift? ? b. Using your copy of the diagram, draw arrows to show the forces of thrust, drag, and gravity act on the racing car as it moves forward on a racetrack. Label each arrow as thrust, drag, or gravity. c. Describe how each force that you labeled in part (b) acts on the racing car as it moves on a racetrack

Subsystems of a transportation system • • Propulsion Guidance Control Suspension

• A ship has a satellite communication device to identify the ship’s position at sea. For which of the following activities is this device most likely used? A. control B. guidance C. propulsion D. suspension

Construction questions • Construction of houses • Foundation – provides support • Wall system – skeleton

During a remodeling project, homeowners want to remove a wall that separates two rooms in their house. The wall and the two rooms are shown in the diagram below According to building codes, the homeowners must add a beam in the ceiling when they remove the existing wall. Which statement best explains why the homeowners must do this? A. The wall provides heat insulation for the rooms. B. The wall provides structural support for the house. C. The wall provides a sound barrier between the rooms. D. The wall provides a place to hang objects in the house.