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






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






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






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






5. A way to measure stuff.






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






7. Work= force x distance






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






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






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






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






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






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






15. The energy of motion.






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






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






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






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






20. A machine used for raising or moving liquids.






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






22. A twisting force.






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






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






25. The distance between adjacent threads in a screw.






26. 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.






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






28. Acts on a certain area.






29. 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.






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






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






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






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






34. A combo of several pulleys working together.






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






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






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






38. The ability to do work.






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






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






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






42. 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.






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






44. Measurement for work






45. A push or pull on an object.






46. A back and forth movement.






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






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






49. The results of the operation of any system.






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







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Can you answer 50 questions in 15 minutes?


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