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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 two turning objects attached to each other at thier centers. One object to turn






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






3. Measurement for work






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






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






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






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






8. Circular movement.






9. Movement in a straight line.






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






11. 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.






12. A combo of several pulleys working together.






13. The ability to do work.






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






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






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






17. The gear being turned buy the driver gear






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






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






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






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






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






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






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






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






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






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






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






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






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






32. Stored energy






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






34. The distance between adjacent threads in a screw.






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






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






37. A way to measure stuff.






38. A back and forth movement.






39. The energy of motion.






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






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






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






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






44. 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.






45. Work= force x distance






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






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






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






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






50. 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.