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Mechanical Systems 2

Subject : engineering
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.

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

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

4. Acts on a certain area.

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

6. A machine used for raising or moving liquids.

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

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

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

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

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

12. Circular movement.

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

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

15. Work= force x distance

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

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

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

19. A combo of several pulleys working together.

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

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

22. A back and forth movement.

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

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

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

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

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

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

29. The distance between adjacent threads in a screw.

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

31. The ability to do work.

32. Measurement for work

33. Stored energy

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

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

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

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

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

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

40. A way to measure stuff.

41. The energy of motion.

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

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

44. 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.

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

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

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

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

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

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