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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. Circular movement.






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






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






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






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






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






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






8. Stored energy






9. 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.






10. The energy of motion.






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






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






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






14. A back and forth movement.






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






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






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






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






19. The gear being turned buy the driver gear






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






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






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






24. 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.






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






26. A machine used for raising or moving liquids.






27. Movement in a straight line.






28. Work= force x distance






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






30. A combo of several pulleys working together.






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






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






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






34. The ability to do work.






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






36. The distance between adjacent threads in a screw.






37. A twisting force.






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






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






40. 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.






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






42. Acts on a certain area.






43. A way to measure stuff.






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






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






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






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






48. Measurement for work






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






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