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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 threaded shaft used to convert rotary movement to linear movement.






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






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






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






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






6. The ability to do work.






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






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






9. A push or pull on an object.






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






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






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






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






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






15. A combo of several pulleys working together.






16. Acts on a certain area.






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






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






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






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






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






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






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






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






25. A back and forth movement.






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






27. Measurement for work






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






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






30. A way to measure stuff.






31. Movement in a straight line.






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






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






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






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






36. Circular movement.






37. The distance between adjacent threads in a screw.






38. 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.






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






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






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






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






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






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






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






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






50. A machine used for raising or moving liquids.