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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. Circular movement.






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






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






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






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






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






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. Movement in a straight line.






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






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






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






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






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






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






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






17. 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.






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






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






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






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






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






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






24. 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.






25. The results of the operation of any system.






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






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






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






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






30. A twisting force.






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






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






33. A machine used for raising or moving liquids.






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






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






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






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






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






39. The distance between adjacent threads in a screw.






40. A push or pull on an object.






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






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






43. The ability to do work.






44. Stored energy






45. A combo of several pulleys working together.






46. Measurement for work






47. A way to measure stuff.






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






49. The gear being turned buy the driver gear






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