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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 push or pull on an object.






2. Acts on a certain area.






3. A twisting force.






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






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






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






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






8. The gear being turned buy the driver gear






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






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






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






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






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






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






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






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






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






18. Work= force x distance






19. 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.






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






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






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






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






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






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






26. A way to measure stuff.






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






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






29. 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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30. Measurement for work






31. The results of the operation of any system.






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






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






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






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






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






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






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






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






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






41. The distance between adjacent threads in a screw.






42. 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.






43. Movement in a straight line.






44. A back and forth movement.






45. The ability to do work.






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






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






48. A machine used for raising or moving liquids.






49. The energy of motion.






50. Circular movement.