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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 rotating wheel- like device with teeth around the rim.






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






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






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






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






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






7. 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.






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






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






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






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






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






14. 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.






15. Stored energy






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






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






18. Work= force x distance






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






20. 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.






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






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






23. Movement in a straight line.






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






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






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






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






28. A back and forth movement.






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






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






31. Circular movement.






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






33. 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.






34. A way to measure stuff.






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






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






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






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






39. Measurement for work






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






41. The distance between adjacent threads in a screw.






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






43. A machine used for raising or moving liquids.






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






45. The gear being turned buy the driver gear






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






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






48. The energy of motion.






49. Acts on a certain area.






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