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






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






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






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






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






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






7. 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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8. A machine used for raising or moving liquids.






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






10. Circular movement.






11. 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.






12. A combo of several pulleys working together.






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






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






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






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






17. A twisting force.






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






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






20. Acts on a certain area.






21. The distance between adjacent threads in a screw.






22. Movement in a straight line.






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






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






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






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






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






28. The gear being turned buy the driver gear






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






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






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






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






33. The results of the operation of any system.






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






35. A push or pull on an object.






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






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






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






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






40. 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.






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






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






43. A way to measure stuff.






44. Measurement for work






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






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






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






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






49. 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.






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