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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 application of force that moves an object a certain distance.






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






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






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






5. Stored energy






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






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






8. The ability to do work.






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






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






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






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






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






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






15. A combo of several pulleys working together.






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






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






18. A machine used for raising or moving liquids.






19. 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.






20. The energy of motion.






21. Work= force x distance






22. 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.






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






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






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






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






27. Measurement for work






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






29. A push or pull on an object.






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






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






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






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






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






36. The gear being turned buy the driver gear






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






38. Movement in a straight line.






39. The distance between adjacent threads in a screw.






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






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






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






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






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






45. The results of the operation of any system.






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






47. Circular movement.






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






49. A twisting force.






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