Test your basic knowledge |

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 combo of several pulleys working together.






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






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






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






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






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






8. A machine used for raising or moving liquids.






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






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






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






12. A push or pull on an object.






13. The ability to do work.






14. A back and forth movement.






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






16. 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.






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






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






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






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






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






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






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






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






26. Stored energy






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






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






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






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






31. Circular movement.






32. Work= force x distance






33. Measurement for work






34. A twisting force.






35. 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.






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






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






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






39. The gear being turned buy the driver gear






40. Acts on a certain area.






41. 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.






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






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






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






45. Movement in a straight line.






46. The energy of motion.






47. The results of the operation of any system.






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






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






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