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






2. The energy of motion.






3. Acts on a certain area.






4. A twisting force.






5. A way to measure stuff.






6. Stored energy






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






8. 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.






9. A combo of several pulleys working together.






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






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






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






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






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






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






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






17. The results of the operation of any system.






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






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






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






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






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






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






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






25. One of a pair of gears used to connect two shafts whose axes intersect.






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






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






28. 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.






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






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






31. The ability to do work.






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






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






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






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






36. The distance between adjacent threads in a screw.






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






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






40. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.






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






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






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






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






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






46. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.






47. 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.






48. 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.






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






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