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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 flow of electrical power or charge.






2. 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.






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






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






5. States that the volume of a confined gas is proportional to its temperature - provided its pressure remains constant

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6. 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.






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






8. SPC is a method of monitoring - controlling - and ideally improving a process through statistical analysis. Its four basic steps include measuring the process - eliminating variances in the process to make it consistent - monitoring the process - and






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






10. The turning effect of a force about a point equal to the magnitude of the force times the perpendicular distance from the point to the line of action from the force.






11. A part of an axle or shaft bent out at right angles - for converting reciprocal to circular motion and vice versa.






12. Categorical data graph percentage






13. 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






14. A process that changes the size and shape of a material by a combination of force and a shaped form






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






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






17. A strong rope - usually made of metal - designed to have great tensile strength and to be used in structures.






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






19. The geometric center of an area.






20. 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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21. A machine for producing power in which a wheel or rotor is made to revolve by a fast- moving flow of water - steam - gas - or air






22. The measurement of how difficult it is for charges to flow through a material






23. Categorical data graph






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






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






26. A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit






27. A part or element of a larger whole






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






30. A toothed wheel whose teeth engage the links of a chain.






31. 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






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

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






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






35. A diagram used to isolate a body from its environment - showing all external forces acting upon it.






36. A sketch that shows an object's height - width - and depth in a single view.






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






38. A subset of a sample space






39. The square root of the variance.






40. A straight line that comes closest to the points on a scatter plot






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






42. The result of an experiment






43. Test methods used to examine an object - material - or system without impairing its future usefulness






44. Used to start and stop flow in a circuit






45. 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.






46. The absolute pressure of a confined gas is proportional to its temperature - provided its volume stays constant

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






48. Absolute temperature scale






49. A body subjected to a push.






50. 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