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






2. Measurement for work






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






4. The energy of motion.






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






6. Work= force x distance






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






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






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






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






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






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






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






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






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






17. Stored energy






18. The ability to do work.






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






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






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






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






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






24. Acts on a certain area.






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






26. 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.






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






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






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






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






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






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






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






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






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






36. 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.






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






38. Circular movement.






39. The gear being turned buy the driver gear






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






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






42. A twisting force.






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






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






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






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






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






48. The distance between adjacent threads in a screw.






49. A back and forth movement.






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.