Test your basic knowledge |

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 twisting force.






2. Circular movement.






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






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






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






6. Movement in a straight line.






7. 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.






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






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






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






11. Acts on a certain area.






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






13. The distance between adjacent threads in a screw.






14. The ability to do work.






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






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






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






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






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






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






22. A push or pull on an object.






23. Stored energy






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






25. 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.






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






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






28. Measurement for work






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






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






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






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






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






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






36. A machine used for raising or moving liquids.






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






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






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






40. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.






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






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






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






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






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






46. The energy of motion.






47. A way to measure stuff.






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






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






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