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






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






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






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






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






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






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






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






9. Measurement for work






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






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






12. Acts on a certain area.






13. The results of the operation of any system.






14. The ability to do work.






15. Movement in a straight line.






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






17. The distance between adjacent threads in a screw.






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






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






20. Circular movement.






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






22. 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.






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






24. The energy of motion.






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






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






27. A push or pull on an object.






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






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






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






31. A twisting force.






32. Stored energy






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






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






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






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






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






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






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






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






42. 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.






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






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






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






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






47. A combo of several pulleys working together.






48. A way to measure stuff.






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






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