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






2. The results of the operation of any system.






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






4. Work= force x distance






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






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






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






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






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






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






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






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






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






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






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






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






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






18. A combo of several pulleys working together.






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






20. A way to measure stuff.






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






23. 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.






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






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






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






27. Stored energy






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






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






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






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






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. Circular movement.






35. The distance between adjacent threads in a screw.






36. The gear being turned buy the driver gear






37. The ability to do work.






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






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






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






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






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






43. A twisting force.






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






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






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






47. The energy of motion.






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






49. 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.






50. 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.