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






3. Acts on a certain area.






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






5. A combo of several pulleys working together.






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






7. A back and forth movement.






8. Stored energy






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






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






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






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






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






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






15. A twisting force.






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






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






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






19. Circular movement.






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






21. The ability to do work.






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






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






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






25. The distance between adjacent threads in a screw.






26. 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.






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






28. Movement in a straight line.






29. Work= force x distance






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






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






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






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






34. A machine used for raising or moving liquids.






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






36. A way to measure stuff.






37. 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.






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






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






40. 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.






41. The gear being turned buy the driver gear






42. The energy of motion.






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






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






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






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






47. A push or pull on an object.






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






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






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