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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 gear being turned buy the driver gear






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






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






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






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






6. Circular movement.






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






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






9. A back and forth movement.






10. The results of the operation of any system.






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






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






13. A combo of several pulleys working together.






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






16. Acts on a certain area.






17. The ability to do work.






18. A twisting force.






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






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






21. The distance between adjacent threads in a screw.






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






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






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






26. 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.






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






28. 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.






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






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






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






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






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






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






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






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






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






39. A way to measure stuff.






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






41. The energy of motion.






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






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






44. Stored energy






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






46. Movement in a straight line.






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






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






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






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