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






2. The energy of motion.






3. 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.






4. Stored energy






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






6. 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.






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






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






9. The distance between adjacent threads in a screw.






10. Acts on a certain area.






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






12. Circular movement.






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






14. The ability to do work.






15. Measurement for work






16. 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.






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






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






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






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






21. A back and forth movement.






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






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






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






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






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






27. The results of the operation of any system.






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






29. A combo of several pulleys working together.






30. A push or pull on an object.






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






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






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






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






35. Work= force x distance






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






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






38. A twisting force.






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






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






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






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






43. A way to measure stuff.






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






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






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






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






49. Movement in a straight line.






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