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. The force acting perpendicular to a certain surface area.






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






3. A combo of several pulleys working together.






4. The gear being turned buy the driver gear






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






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






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






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






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






10. 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.






11. The distance between adjacent threads in a screw.






12. The ability to do work.






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






14. 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.






15. A machine used for raising or moving liquids.






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






17. Work= force x distance






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






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






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






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






22. A twisting force.






23. The results of the operation of any system.






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






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






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






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






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






29. The energy of motion.






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






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






32. A push or pull on an object.






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






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






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






36. Acts on a certain area.






37. Opposite in position - direction - order or effect.






38. Measurement for work






39. Circular movement.






40. Movement in a straight line.






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






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






43. 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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44. 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.






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






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






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






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






49. A way to measure stuff.






50. Stored energy