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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. Stored energy






2. A combo of several pulleys working together.






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






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






5. Acts on a certain area.






6. Movement in a straight line.






7. A way to measure stuff.






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






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






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






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






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






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






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






15. A machine used for raising or moving liquids.






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






17. The ability to do work.






18. 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.






19. 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.






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






21. The distance between adjacent threads in a screw.






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






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






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






25. Work= force x distance






26. A back and forth movement.






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






29. The energy of motion.






30. The gear being turned buy the driver gear






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






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






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






34. The results of the operation of any system.






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






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






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






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






39. 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.






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






41. A twisting force.






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






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






44. 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.






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






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






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






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






49. Measurement for work






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