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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. A back and forth movement.






2. Acts on a certain area.






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






4. Measurement for work






5. Stored energy






6. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.






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






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






9. A twisting force.






10. A joint that allows connected shafts to spin freely while permitting a change in direction.






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






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






13. The ratio of the useful work or energy provided by a machine or system with the actual work or energy supplied to the machine or system.






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






15. A gear between the driver and the driven gear used to change rotational direction.






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






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






18. The point of the lever that does not move.






19. A machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things






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






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






22. 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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23. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.






24. The results of the operation of any system.






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






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






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






28. The application of force that moves an object a certain distance.






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






30. 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.






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






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






33. Work= force x distance






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






35. A machine used for raising or moving liquids.






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






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






38. The energy of motion.






39. The distance between adjacent threads in a screw.






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






41. Circular movement.






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






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






44. Energy is transferred from one plan to another - and no energy is changed or converted.






45. A way to measure stuff.






46. 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.






47. The ratio of the speed of the driving member of a gear train to that of the driven member.






48. The gear being turned buy the driver gear






49. Movement in a straight line.






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