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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 way to measure stuff.






2. The results of the operation of any system.






3. 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.






4. Movement in a straight line.






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






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






8. The energy of motion.






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






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






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






12. A back and forth movement.






13. A push or pull on an object.






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






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






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






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






18. The ability to do work.






19. Stored energy






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






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






22. 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.






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






24. Circular movement.






25. Acts on a certain area.






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






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






28. A threaded shaft used to convert rotary movement to linear movement.






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






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






31. 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.






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






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






34. A twisting force.






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






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






37. A combo of several pulleys working together.






38. The distance between adjacent threads in a screw.






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






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






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






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






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






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






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






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






47. Work= force x distance






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






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






50. 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.