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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. Middle value of a set of values arranged in order of magnitude.






2. The probability that a component part - equipment - or system will satisfactorily perform its intended function under given circumstances - such as environmental conditions - limitations as to operating time - and frequency and thoroughness of mainte






3. Graphical representation of a material's mechanical properties






4. Returning to an original condition. The extraction and recovery of valuable materials from scrap or other discarded materials






5. A support that prevents translation in any direction






6. The unit of electric resistance in the meter- kilogram- second system of units. Symbolized as O






7. Something made up of interdependent parts in a definite pattern of organization - such as trusses - frames - or machines.






8. The pressure exerted by the weight of the atmosphere above the point of measurement.






9. A statsitical measurement of variability






10. The connection points of members of a truss






11. An external force applied to an object.






12. A device used to remove contamination from a fluid






13. Measure of data scatter






14. A resource that cannot be replaced once used






15. The total length of path over which the particle travels.






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






17. A circuit in which all parts are connected end to end to provide a single path of current






18. A device that holds the compressed air in a pneumatic system.






19. Used to transport fluid in a circuit






20. Changing one form of energy to another






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






22. When a material is reduced in volume by the application of pressure; the reciprocal of the bulk modulus






23. A continuous band of tough flexible material used to transmit motion and power within a pulley system.






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






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






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






27. A type of pneumatic pressure control valve that controls the maximum pressure in a branch of a circuit.






28. A plate or bracket for strengthening an angle in framework.






29. A step- by- step procedure for solving a problem or accomplishing some end - especially by a computer.






30. A system that links electricity produced in power stations to deliver it to where it is needed






31. The ratio of useful energy output to the total energy input - or the percentage of the work input that is converted to work output.






32. A natural fuel such as coal or gas - formed in the geological past from the remains of living organisms






33. The measure of resistance to heat flow






34. A condition where there are no net external forces acting upon a particle or rigid body and the body remains at rest or continues at a constant velocity.






35. A surface or shape exposed by making a straight cut through something at right angles to the axis.






36. A part of the physical world as described by its thermodynamic properties such as temperature - volume - pressure - concentration - surface tension - and viscosity.






37. The square root of the variance.






38. A broad ridge or pair of ridges projecting at a right angle from the edge of a structural shape in order to strengthen or stiffen it.






39. A device used to create flow in a hydraulic system.






40. 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






41. The rotating member of an electrical machine






42. The geometric center of an area.






43. Nominal stress developed in a material at rupture. Not necessarily equal to ultimate strength. Since necking is not taken into account in determining rupture strength - seldom indicates true stress at rupture






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

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






46. 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.






47. Measure of variation equal to the sum of the deviations of each value from the mean.






48. Plant materials and animal waste used especially as a source of fuel.






49. The difference between samples






50. Conversion of an analog signal to a digital quantity such as binary.