EOPA Review Questions
The main components of the engineering design process include identifying, defining, selecting, implementing, and _____________ . * - Answer- evaluating A video game company would like to test a new game controller design. Which of the following would be the best way for them to start testing the comfort and effectiveness of the controller? * - Answer- prototype Which of the following is the earliest example of engineering? * - Answer- Archimedes screw The branch of engineering that combines physical science, mathematics, and economics to processes that convert raw materials into more valuable forms is called _____________ engineering. * - Answer- chemical A civil engineer is best suited to * - Answer- Investigate the mechanics of bridges and roads Which of the following is an example of an inexhaustible energy source? * - Answer- wind In the engineering design process, stating the problem is the ______ step. * - Answer- first Tom wants to research how materials and parts move through his plant in order to see where and how the company may be able to increase productivity. This is the study of _________ . * - Answer- production flow Using Ohm's Law, how much current is going through the following circuit? * 15.5 volts 5 Ohms resistance - Answer- 3.1 amps Which step of problem solving helps determine if a certain product is of value? * - Answer- evaluation What is the cubic area of an object that is 5 feet long, 2.5 feet wide and 3.5 feet tall? * - Answer- 43.75 ft³ The proper second step to refine a potential product is _________ . * - Answer- test Which of the following formulas is used to determine the area of a circle? * - Answer- A = πr² A steel container weighing 90 pounds has a coefficient of friction equaling 0.61. How much force is required to move this box on a dry and clean surface? * - Answer- 54.9 pounds
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