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Mechanical Systems 2

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. The ability to do work.






2. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.






3. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome






4. A push or pull on an object.






5. A lever in which the fulcrum is between the effort and load.






6. A wheel with a grooved rim to guide a rope or chain that runs along the groove; used to transmit or change direction of force.






7. The force acting perpendicular to a certain surface area.






8. A system having a boundary that separates it from it surroundings.






9. A secondary or subordinate system that is part if a larger system.






10. Opposite in position - direction - order or effect.






11. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.






12. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.






13. The gear which transmits power and motion to the rest of the system. The input gear.






14. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.






15. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.






16. The work done by a machine as the output force acts through the output distance






17. A way to measure stuff.






18. A machine consisting of two turning objects attached to each other at thier centers. One object to turn






19. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.






20. Measurement for work






21. A mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.






22. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.






23. A threaded shaft used to convert rotary movement to linear movement.






24. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.






25. The results of the operation of any system.






26. The work done on a machine as the input force acts through the input distance






27. The realtioship between the speed of rotation of a smaller gear and a larger gear = number of driven gear teeth / Number of following gear teeth.






28. A device used to regulate the flow of a liquid in a hydraulic system.






29. A twisting force.






30. The energy of motion.






31. A back and forth movement.






32. The distance between adjacent threads in a screw.






33. Movement in a straight line.






34. The distance in a strait line from the center of a circle to the circle circumference






35. A swing back and forth at a regular rate.






36. A common workplace disorder causing numbness and pain in the thumb and first three finger.






37. A small cogwheel that engages or is engaged by a larger cogwheel.






38. A machine consisting of a bar that is free to rotate around a fixed point - changing the amount of force that must be exerted to move an object.






39. The that has a handle because of a motoe or person turning it.






40. The science of designing gone or work environments that best suit the human body in it various dimensions.






41. A law stating that when pressuer is exerted on on part of a fluid - the same pressure is transmitted unchanged to all parts of the fluid - no matter what the shape of the container holding fluid. EX: water balloon.

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42. Work= force x distance






43. The gear being turned buy the driver gear






44. A machine used for raising or moving liquids.






45. Acts on a certain area.






46. A gear with teeth that fits into the links of a chain.






47. A rotating wheel- like device with teeth around the rim.






48. Something put into a system - such as resources - in order to achieve a result.






49. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.






50. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.







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