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






2. Acts on a certain area.






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






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






6. 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.






7. The results of the operation of any system.






8. Circular movement.






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






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






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






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






13. 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.






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






15. 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.






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






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






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






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






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






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






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






23. A back and forth movement.






24. 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.






25. Work= force x distance






26. The energy of motion.






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






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






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






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






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






32. A machine used for raising or moving liquids.






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






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






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






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






37. A way to measure stuff.






38. Stored energy






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






40. A combo of several pulleys working together.






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






42. The ability to do work.






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






44. A push or pull on an object.






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






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






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






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






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






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






Can you answer 50 questions in 15 minutes?



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