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






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






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






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






5. A way to measure stuff.






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






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






8. 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.






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






10. The energy of motion.






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






12. A combo of several pulleys working together.






13. 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.






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






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






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






17. A twisting force.






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






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






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






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






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






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






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 distance between adjacent threads in a screw.






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






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






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






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






31. Acts on a certain area.






32. Stored energy






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






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






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






36. Movement in a straight line.






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






38. 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.






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






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






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






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






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






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






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






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






47. 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.






48. Work= force x distance






49. A push or pull on an object.






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