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






2. The place at which independent and often unrelated systems meet and act on or communicate with each other.






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






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






5. The opposition that a device or material offers to the flow of direct current






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






7. The unit of potential difference symbolized as V






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

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9. The collection - evaluation - and interpretation of data






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

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11. Energy which a body possesses by virtue of being in motion






12. An inclined plane wrapped around a cylinder - forming the path and pitch.






13. 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.






14. A mechanical property of a material that shows how effective the material is absorbing mechanical energy without sustaining any permanent damage






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






16. 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.






17. Any alteration of shape or dimensions of a body caused by stresses - thermal expansion or contraction - chemical or metallurgical transformations - or shrinkage and expansions due to moisture change






18. Every body or particle continues at a state of rest or uniform motion in a straight line - unless it is compelled to change that state by forces acting upon it.

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19. The ability to get answers to questions through a conscious - organized process. The answers are usually - but not necessarily - quantitative






20. The contact of a relay that is open when the coil is de- energized






21. The state when objects are not yet in motion






22. A rigid bar used to exert a pressure or sustain a weight at one point of its length by the application of a force at a second and turning at a third on a fulcrum.






23. A result of a force moving an object a certain distance






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






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






26. Stages a product goes through from concept and use to eventual withdrawal from the marketplace






27. Crude or processed material that can be converted by manufacture - processing - or combination into a new and useful product; something with a potential for improvement - development - or elaboration






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






29. The net transfer of electric charge (electron movement along a path) per unit of time.






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






31. A force that produces or tends to produce rotation or torsion.






32. 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






33. A solid- state switching device.






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






36. 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.






37. The law stating that the stress of a solid is directly proportional to the strain applied to it

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






39. Changing one form of energy to another






40. Operational techniques necessary to satisfy all quality requirements; includes process monitoring and the elimination of root causes of unsatisfactory product or service quality performance






41. 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






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






43. The use of a liquid flowing under pressure to transmit power from one location to another






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






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






46. The basic unit of electric current adopted under the Systeme International d'Unites






47. A law that states that the internal energy in a system remains constant and the change in thermal energy of a system is equal to the work done on the system.






48. Arithmetic average






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






50. Energy in transit due to a temperature difference between the source from which the energy is coming and a sink toward which the energy is going







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