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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 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.






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






3. Movement in a straight line.






4. A machine used for raising or moving liquids.






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






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






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






8. Circular movement.






9. Measurement for work






10. The gear being turned buy the driver gear






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






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






13. A combo of several pulleys working together.






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






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






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






17. 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.






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






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






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






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






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






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






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






25. The energy of motion.






26. The distance between adjacent threads in a screw.






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






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






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






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






31. Work= force x distance






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






33. The results of the operation of any system.






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






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






36. A back and forth movement.






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






38. Acts on a certain area.






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






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






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






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






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






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






46. The ability to do work.






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






48. A push or pull on an object.






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






50. A twisting force.