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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. 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.






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






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






4. The process of creating an object by adding small pieces or layers together to make a final product






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






6. A systemized body of laws; a set of principles - as of ethics






7. A body subjected to pull.






8. The total pressure exerted on a system - including atmospheric pressure.






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






10. 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






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






12. Values that possess names or labels






13. The return to the input of a part of the output of a machine - system - or process






14. Values that represent a measurable quantity






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






16. A general agreement






17. A support that prevents translation in any direction






18. A thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work






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






20. The resistance that one surface or object encounters when moving over another.






21. Impeding effect exerted by one material object on another.






22. A control circuit in which the system output has no effect on the control






23. Frequency distribution graph






24. A statsitical measurement of variability






25. The rate of change of velocity with respect to time.






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






27. Used to control which path fluid takes in a circuit.






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






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






30. Used to start and stop flow in a circuit






31. 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






32. Slender straight pieces of a truss connected by joints.






33. A device used to measure flow rate.






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






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






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






37. Categorical data graph






38. The use of quality control techniques associated with a process.






39. A substance that tapers to a thin edge and is used for splitting - raising heavy bodies - or for tightening by being driven into something.






40. A type of system that uses circulating pumps and fans to collect and distribute heat.






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






42. Produced by the combining of parts or elements to form a whole - rather than of natural origin; not real - artificial






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






44. The structure of or the relationship of the parts in a machine - or in a construction or process comparable to a machine.






45. Listing of a data values along with their corresoponding frequencies.






46. A cylinder that can act under pressure in both directions (extend and retract) to move a load.






47. The value that occurs most frequently






48. The absolute value of a number






49. Used to transport fluid in a circuit






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







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