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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. Movement in a straight line.






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






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






4. A back and forth movement.






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






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






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






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






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






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






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






13. Stored energy






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






15. A way to measure stuff.






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






17. 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.






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






19. Work= force x distance






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






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






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






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






24. 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.






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






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






28. A push or pull on an object.






29. The gear being turned buy the driver gear






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






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






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






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






34. The energy of motion.






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






36. 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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37. A combo of several pulleys working together.






38. Circular movement.






39. Measurement for work






40. The ability to do work.






41. Acts on a certain area.






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






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






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






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






46. 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.






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






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






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






50. A machine used for raising or moving liquids.