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






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






3. The results of the operation of any system.






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






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






6. 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.






7. The ability to do work.






8. Stored energy






9. Measurement for work






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






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






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






13. Acts on a certain area.






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






15. Work= force x distance






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






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






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






19. 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.






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






21. A way to measure stuff.






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






23. The distance between adjacent threads in a screw.






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






25. 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.






26. Circular movement.






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






28. 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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29. Movement in a straight line.






30. The gear being turned buy the driver gear






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






32. 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.






33. A combo of several pulleys working together.






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






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






36. A push or pull on an object.






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






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






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






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






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






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






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






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






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






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






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






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






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






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