Intro to Mechanical Engineering Exam 1 (Questions + Answers) Solved

Which of these is closest to the definition of engineering put forward by National Academy of Engineering (NAE)? A.) the practice of using mathematical equations B.) the application of science C.) the discovery of technological inventions D.) the supervision of project design - Answer-B.) the application of science Which sentence best describes someone who is motivated by mastery-oriented goals? A.) I want to understand things. B.) I want to get excellent grades. C.) I want my parents to be proud of me. D.) I want to earn a lot of money. - Answer-A.) I want to understand things. Which sentence best describes someone who is motivated by performance-oriented goals? A.) I want to understand things. B.) I want to get excellent grades. C.) I want to help people succeed. D.) I want to solve problems. - Answer-B.) I want to get excellent grades. How do you know you have chosen the "right" career? A.) Your family and friends feel it is a good fit. B.) You are satisfied and challenged. C.) Your boss is happy with your work. D.) You are appropriately compensated. - Answer-B.) You are satisfied and challenged.What is the goal of the Nitrogen Cycle Grand Challenge? A.) Discover new uses for fixed nitrogen compounds. B.) Reduce the amount of nitrogen being used in fertilization. C.) Discover ways to augment natural denitrification. D.) Reduce the rate of nitrogen uptake in plants. - Answer-C.) Discover ways to augment natural denitrification Synthetic (human caused) conversion of nitrogen into more reactive forms now accounts for what percent of all nitrogen fixation? A.) 1% B.) 10% C.) 50% D.) 90% E.) 99% - Answer-C.) 50% What type of engineer is most likely to work on implantable devices, such as artificial kidneys? A.) a biosystems engineer B.) an electrical engineer C.) a mechanical engineer D.) a biomedical engineer - Answer-D.) a biomedical engineer