Test your basic knowledge |

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 system of discrete states: high or low - on or off - 1 or 0.






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






3. A measure of how easily a material can be twisted






4. Energy caused by the movement of electrons.






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






6. An activity with observable results






7. Conversion of a digital signal to its analog equivalent - such as a voltage.






8. A resource that can be replaced when needed






9. 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.






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






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






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






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

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14. A tool for systematically ranking alternatives according to a set of criteria.






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

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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. A subset of a sample space






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






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






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






21. A type of pneumatic pressure control valve that controls the maximum pressure in a branch of a circuit.






22. A device that holds the compressed air in a pneumatic system.






23. A group of machined or handmade parts that fit together to form a self- contained unit.






24. Maximum stress that a material will withstand without permanent deformation






25. The absolute value of a number






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






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






28. The law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other






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






30. Energy derived from sources that do not use up natural resources or harm the environment






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






32. The result of an experiment






33. Creating - designing - and transmitting technical information so that people can understand it easily and use it safely - effectively - and efficiently.






34. A general agreement






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






36. A conductor wrapped around an iron core. The two ends of the conductor are attached to a power source. When current passes through the conductor - the iron core becomes magnetized.






37. 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.






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






39. A type of 3D CAD modeling that represents the volume of an object - not just its lines and surfaces






40. A truss composed of triangles - which will retain its shape even when removed from supports.






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






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






43. 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






44. The ratio of the magnitude of the resistance and effort forces applied a system.






45. A statsitical measurement of variability






46. An external force applied to an object.






47. The difference between samples






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






49. Test methods used to examine an object - material - or system causing permanent damage to its usefulness






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

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