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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. Ratio of distance traveled by the applied effort and resistance force within a system.






2. The sense of a vector is the direction of the vector relative to its path and indicated by the location of the arrow.






3. A valve that allows flow in one direction but prevents flow in the opposite direction.






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






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






6. A cylinder that acts under pressure in one direction only and returns automatically when the pressure is released.






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






8. A body subjected to pull.






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

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






11. The transfer of energy by electromagnetic waves






12. The connection points of members of a truss






13. A small circuit board that controls all the processing within a computer.






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






15. Arithmetic average






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






17. To make into a product suitable for use; to make from raw materials by hand or by machinery; to produce according to an organized plan and with division of labor






18. Any device that controls - either automatically or manually - the flow of a fluid.






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






20. The flow of electrical power or charge.






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






22. Values that represent a measurable quantity






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

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






25. The fixed point around which a lever rotates.






26. A device used to measure flow rate.






27. Not having fixed limits; unrestricted; broad






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






29. 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






30. Individual fuel cells that are combined in series.






31. The distance the fluid travels through a system in a given period of time.






32. States that the direct current flowing in an electric circuit is directly proportional to the voltage applied to the circuit

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33. The pressure exerted by the weight of the atmosphere above the point of measurement.






34. The magnitude of the total distance traveled divided by the time elapsed.






35. Stages a product goes through from concept and use to eventual withdrawal from the market place.






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






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






38. A support that only prevents a beam from translating in one direction.






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






40. 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






41. 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






42. A group technique for solving problems - generating ideas - stimulating creative thinking - etc. - by unrestrained spontaneous participation in discussion






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






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






45. 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






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






47. Measure of data scatter






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






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






50. A device used to convert fluid power into mechanical power in the form of linear motion.