Answer Happy

c. third d. final 16. ... helps the structure to be stronger. a, heaviness b. stack C. support d. quality 17. Prototype is the ... physical model of an invention a. first b. second 18. During the "Investigation stage" in the design process, designers will... to help designing a good product. a. Identify the problem b. draw a sketch c.publish a survey to the public d. ask questions and find information 19. The bending force is a combination of two forces ... and ... a. tension/erosion b. compression/resistance c. spring/friction d. compression/tension 20. There are two types of smoke detectors, optical detector and ... a. Isometric detector b. Ionic detector Clops detector d. Jonization detector C 21. Tough materials tend to be ... a. difficult to bend b. difficult to melt c. difficult to break d. difficult to wear 22. In which engineering technology branch that engineers fight against hackers? a. telecommunications b. crime c. photonic d. nano 23. The opposite of the characteristic "flexible" is ... a. delicate b. ductile c. rigid d. tolerant 24. Open source software is... a. free b. cheap C. expensive d. monthly subscription 5. Companies decide to manufacture the product when... a. they pass the deadline b. the final evaluation is positive c. they pick the necessary resources d. none of the mentioned