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






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






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






4. A combo of several pulleys working together.






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






6. 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.






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






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






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






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






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






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. The force acting perpendicular to a certain surface area.






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






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






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






17. Circular movement.






18. The energy of motion.






19. Work= force x distance






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






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






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






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






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






25. Measurement for work






26. A push or pull on an object.






27. A way to measure stuff.






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






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






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






31. The gear being turned buy the driver gear






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






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






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






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






36. Stored energy






37. 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.






38. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.






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






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






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






43. Acts on a certain area.






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






45. Movement in a straight line.






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






47. A machine used for raising or moving liquids.






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






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






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