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Mechanical Systems 2

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes. 2 minutes extra for reading the instructions.
  • 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 machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things






2. A way to measure stuff.






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






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






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






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






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






8. The distance between adjacent threads in a screw.






9. The energy of motion.






10. Stored energy






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






12. The gear being turned buy the driver gear






13. Work= force x distance






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






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






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






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






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






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






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






21. 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.


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






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






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






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






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






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






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






29. 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.






30. Circular movement.






31. 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.






32. The results of the operation of any system.






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






34. 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.






35. A machine used for raising or moving liquids.






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






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






38. The ability to do work.






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






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






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






42. A back and forth movement.






43. 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.






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






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






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






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






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






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






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






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