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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






19. Work= force x distance






20. A push or pull on an object.






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






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






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






24. The ability to do work.






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






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






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






28. The distance between adjacent threads in a screw.






29. 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.






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






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






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






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






34. 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.






35. Movement in a straight line.






36. The results of the operation of any system.






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






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






39. The energy of motion.






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






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






42. A way to measure stuff.






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






44. A twisting force.






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






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






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






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






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






50. 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.