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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 device used to spray an oil mist into the stream of a pneumatic system.






2. The condition or quality of being true - correct - or exact; precision; exactness.






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






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






5. The ratio of the useful energy delivered by a dynamic system to the energy supplied to it






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






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






8. Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units - each a relatively light and simple molecule






9. 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.






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






11. A resource that can be replaced when needed






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






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

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14. A part of a design brief that clearly and concisely identifies a client's or target consumer's problem - need - or want.






15. The resultant of a system of force is the vector sum of all forces.






16. An organization that works to develop and enforce regulations that implement environmental laws enacted by Congress






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






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






19. The tank that holds the fluid in a hydraulic system.






20. A support that prevents translation in any direction






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






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






23. A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load.






24. Those properties of a material that reveal the elastic and inelastic reaction when force is applied - or that involve the relationship between stress and strain; for example - the modulus of elasticity - tensile strength - and fatigue limit






25. Categorical data graph percentage






26. The rotating member of an electrical machine






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






28. Processes that remove material to change the size - shape - or surface of a part. There are two groups of separating processes: machining and shearing






29. The contact of a relay that is closed when the coil is de- energized.






30. The condition of unrestrained motion in a gravitational field.






31. Frequency distibution graph






32. The amount or quantity of something






33. Amount of difference between a value and the mean.






34. 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






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






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






37. The measure of resistance to heat flow






38. A law that states all natural processes proceed in a preferred direction






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






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






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

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42. The square root of the variance.






43. Any of various opaque - fusible - ductile - and typically lustrous substances that are good conductors of electricity and heat






44. The transfer of heat by the movement of a mass or substance; it can take place only in fluids






45. Graphical representation of a material's mechanical properties






46. A statsitical measurement of variability






47. The energy that a piece of matter has because of its position or nature or because of the arrangement of parts






48. 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






49. 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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50. The absolute value of a number