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Principles Of Engineering

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 flow of electrical power or charge.






2. The turning effect of a force about a point equal to the magnitude of the force times the perpendicular distance from the point to the line of action from the force.






3. Conversion of a digital signal to its analog equivalent - such as a voltage.






4. The ratio of actual strength to required strength






5. A subset of a sample space






6. The direction of a vector is defined by the angle between a reference axis and the arrow's line of direction.






7. The fractional increase in a material's length due to stress in tension or thermal expansion






8. A measure of how easily a material can be twisted






9. Maximum stress that a material will withstand without permanent deformation






10. To monitor and control a process so that the quality of the output/product improves.






11. A device for making - breaking - or changing the connections in an electrical circuit.






12. A signal having the characteristic of being continuous and changing smoothly over a given range - rather than switching suddenly between certain levels






13. A machine for producing power in which a wheel or rotor is made to revolve by a fast- moving flow of water - steam - gas - or air






14. The magnitude of the total distance traveled divided by the time elapsed.






15. Creating - designing - and transmitting technical information so that people can understand it easily and use it safely - effectively - and efficiently.






16. A tool for systematically ranking alternatives according to a set of criteria






17. Distance between adjacent threads in a screw.






18. A switch that can provide variable motion control






19. The transfer of energy by electromagnetic waves






20. The change of motion of the body is proportional to the net force imposed on the body and is in the direction of the net force.

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21. A valve that allows flow in one direction but prevents flow in the opposite direction.






22. A photo- sensitive resistor whose resistance decreases as the light striking the unit increases.






23. Information encoded in a digital form - which is usually stored in an assigned address of a data memory for later use by the processor.






24. Change in length of an object in some direction per unit






25. Graphical representation of a material's mechanical properties






26. A cylinder that acts under pressure in one direction only and returns automatically when the pressure is released.






27. The process in which an electric current is used to produce a chemical reaction - such as the decomposition of water






28. The volume of a gas at constant temperature varies inversely with the pressure exerted on it.

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29. A method of analysis of trusses which constructs free body diagrams of each joint and determines the forces acting in that joint by considering equilibrium of the joint pin.






30. Frequency distibution graph






31. A conductor wrapped around an iron core. The two ends of the conductor are attached to a power source. When current passes through the conductor - the iron core becomes magnetized.






32. The measure of resistance to heat flow






33. The stress required to fracture a material whether by compression - tension - or shear






34. Sometimes referred to as tensile strength; determined by measuring the maximum load a material specimen can carry when in the shape of a rectangular bar or cylindrical can






35. A sketch that shows an object's height - width - and depth in a single view.






36. The rotating member of an electrical machine






37. The difference between the maximum and minimum dimensions allowed within the design of a product.






38. An external force applied to an object.






39. A group technique for solving problems - generating ideas - stimulating creative thinking - etc. - by unrestrained spontaneous participation in discussion






40. The sense of a vector is the direction of the vector relative to its path and indicated by the location of the arrow.






41. The connection points of members of a truss






42. The probability of an event occurring based upon other event probabilities

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43. A physical quantity that has magnitude only.






44. A sliding piece moved by or moving against fluid pressure which usually consists of a short cylindrical body fitting within a cylindrical chamber or vessel along which it moves back and forth.






45. The condition of a string - wire - or rod that is stretched between two points






46. A limit to a design process. Constraints may be such things as appearance - funding - space - materials - and human capabilities






47. The potential difference measured in volts. The amount of work to be done to move a charge from one point to another along an electric circuit






48. A major or minor change in the design of an item - effected in order to correct a deficiency - to facilitate production - or to improve operational effectiveness.






49. Solid material which is composed of two or more substances having different physical characteristics and in which each substance retains its identity while contributing desirable properties to the whole; especially - a structural material made of pla






50. A fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work







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