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






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






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






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






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






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






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






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






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






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






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






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






13. The distance between adjacent threads in a screw.






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






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






16. A machine used for raising or moving liquids.






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






18. Movement in a straight line.






19. Measurement for work






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






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






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. A combo of several pulleys working together.






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






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






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






27. 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.






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






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






30. Acts on a certain area.






31. The gear being turned buy the driver gear






32. 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.






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






34. A way to measure stuff.






35. A twisting force.






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






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






39. The results of the operation of any system.






40. 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.






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






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






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






44. Circular movement.






45. Stored energy






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






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






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






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






50. The ability to do work.