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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 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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2. A twisting force.






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






4. Acts on a certain area.






5. The gear being turned buy the driver gear






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






7. The distance between adjacent threads in a screw.






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






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






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






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






12. 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.






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






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






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






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






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






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






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






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






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






22. Work= force x distance






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






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






25. A machine used for raising or moving liquids.






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






27. A way to measure stuff.






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






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






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






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






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






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






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






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






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






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






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






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






40. 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.






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






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






43. Movement in a straight line.






44. A push or pull on an object.






45. Circular movement.






46. Stored energy






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






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






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






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