Test your basic knowledge |

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






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






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






4. Work= force x distance






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






6. Movement in a straight line.






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






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






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






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






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






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






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






14. A back and forth movement.






15. 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.






16. A combo of several pulleys working together.






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






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






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






20. 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.






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






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






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






24. A twisting force.






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






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






27. A way to measure stuff.






28. A machine used for raising or moving liquids.






29. Acts on a certain area.






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






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






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






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






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






35. The results of the operation of any system.






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






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






38. The distance between adjacent threads in a screw.






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






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






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






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






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






45. 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.






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






47. Measurement for work






48. Circular movement.






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






50. The ability to do work.