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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. Measurement for work






2. The distance between adjacent threads in a screw.






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






4. 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.






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






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






7. Stored energy






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






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






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






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






12. A combo of several pulleys working together.






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






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






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






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






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






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






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






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






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






22. The ability to do work.






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






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






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






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






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






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






29. 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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30. 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.






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






32. Movement in a straight line.






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






34. Work= force x distance






35. A way to measure stuff.






36. The gear being turned buy the driver gear






37. A push or pull on an object.






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






39. The energy of motion.






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






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






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






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






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






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






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






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






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






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






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