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Introduction To Engineering - 7

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A fixed wheel with a rope or chain that is attached to a load - used to change the direction of a force or to lift heavy objects - is a






2. Seeks to explain and describe the physical world






3. A pulley that changes direction of effort but provides no mechanical advantage






4. Force times distance






5. A system of pulleys that consists of one rope wound around two separate sets of pulley - each of which is free to rotate independently on the same axle






6. Models that function and look like the finished product but are usually hand- built






7. The weight or resistance on a lever






8. Operational models used to test the mechanical or electrical systems






9. Provides a framework for design and problem solving work






10. A bar or rod that tilts on a pivot - or fulcrum - used to overcome a resistance or to raise a weight when force is applied is a






11. Consists of an endless chain looped around three pulleys






12. Shows what a product will look like when it is produced






13. Provides problem clarification and specification






14. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary






15. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are






16. The development of something completely new






17. A lever in which the fulcrum is at one end - and the effort is at the other end






18. The generation of ideas for solutions






19. The energy of motion






20. When designing a solution to a problem - a problem solver should always






21. Machines are used to make work easier. How does a machine accomplish this?






22. Work divided by time






23. More than one pulley working together






24. 550 foot- pounds per second






25. The planned process of change






26. A machine in which a lever rotates around a fixed point






27. The ability to do work






28. The turning point of a lever






29. A lever in which the fulcrum is at one end - and the load is at the other end






30. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force






31. A bar or rod that tilts on a pivot - or fulcrum






32. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)






33. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?






34. The difficulties we must overcome






35. Changes and improvements made to products already invented are






36. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles






37. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction






38. The generation of ideas for solutions by a group is known as






39. Describes the limitations and requirements of the project's solution






40. The force (push or pull) used to do work






41. Provides direction for the work of the designer






42. The weight of the obect being moved






43. Energy of position






44. The metric unit for measuring work






45. Ways of overcoming difficulties






46. Involves the effort you put in and the distance over which you maintain the effort






47. A force that opposes motion






48. When a machine multiplies the effort being used






49. The process of how solutions to problems are developed is






50. The English unit of measuring work