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






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






3. Movement in a straight line.






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






5. Stored energy






6. The results of the operation of any system.






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






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






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






10. Acts on a certain area.






11. A twisting force.






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






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






14. A push or pull on an object.






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






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






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






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






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






20. A way to measure stuff.






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






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






23. The distance between adjacent threads in a screw.






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






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






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






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






28. A machine used for raising or moving liquids.






29. 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.






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






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






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






33. 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.






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






35. Measurement for work






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






37. 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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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. The ability to do work.






40. 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.






41. A combo of several pulleys working together.






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






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






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






45. Work= force x distance






46. The energy of motion.






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






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






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






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