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






2. To make into a product suitable for use; to make from raw materials by hand or by machinery; to produce according to an organized plan and with division of labor






3. Point at which the deformation is no longer directly proportional to the applied force. Hooke's Law no longer applies






4. A circular toothed object used to transfer rotary motion and torque through interlocking teeth






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






6. The distance the fluid travels through a system in a given period of time.






7. 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.






8. The square root of the variance.






9. The result of an experiment






10. A switching device that uses the magnetic field generated by an electrical current for actuation.






11. If one object exerts a force on another object - then the second object exerts a force of equal streangth in the opposite direction on the first object.

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12. The loss of the load- bearing ability of a material under repeated load application - as opposed to a single load






13. A control system that considers the output of a system and makes adjustments based on that output.






14. A general agreement






15. A structure or body which is over- constrained such that there are more unknown supports than there are equations of static equilibrium.






16. Pressure exerted by a confined fluid acts undiminished equally in all directions

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17. A series of usually metal links or rings connected to or fitted into one another and used to transmit motion and power within a sprocket system.






18. The rate at which work is performed or energy is expended






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






20. The transfer of heat through matter by molecular activity; Energy is transferred through collisions from one molecule to another






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






22. 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.






23. Machining a surface to size with a fine feed produced in a lathe - milling machine - or grinder






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






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






26. A rough drawing representing the main features of an object or scene and often made as a preliminary study.






27. Of or relating to the manufacture of any product (as earthenware - porcelain - or brick) made essentially from a nonmetallic mineral (as clay) by firing at a high temperature






28. The value that occurs most frequently






29. The information produced by a computer






30. 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






31. The collection - evaluation - and interpretation of data






32. A collection of individuals - each with his or her own expertise - brought together to benefit a common goal.






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






34. A type of pressure control valve that limits the maximum pressure in a hydraulic or pneumatic circuit.






35. The probability of satisfactory operation of the product in a given environment over a specified time interval.






36. The amount or quantity of something






37. A measure of a fluid's thickness or resistance to flow.






38. Used to transport fluid in a circuit






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






40. A switch that can provide variable motion control






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






42. The use of a fluid (liquid or gas) to transmit power from one location to another.






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






44. A quantity that has both a magnitude and direction.






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






46. Distance between adjacent threads in a screw.






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






48. A vector quantity giving the straight- line distance and direction from an initial position to a final position.






49. A truss that lies in a single plane often used to support roofs and bridges






50. A negative temperature coefficient - also known as a thermistor - is a sensitive resistor whose primary function is to exhibit a change in electric resistance with a change in temperature.