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






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






3. Mechanical property of a material that indicates the ability of the material to handle overloading before it fractures






4. A cylinder that can act under pressure in both directions (extend and retract) to move a load.






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






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






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






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






9. The production of electricity in conductors with the use of magnets






10. A quantity that has both a magnitude and direction.






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






12. Graphical representation of a material's mechanical properties






13. A type of lever that is a wheel with a groove in its rim - which is used to change the direction or multiply a force exerted by a rope or cable.






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






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






16. 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.






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

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18. Produced by the combining of parts or elements to form a whole - rather than of natural origin; not real - artificial






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






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






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






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






24. The connection points of members of a truss






25. Condition caused by collapse - break - or bending - so that a structure or structural element can no longer fulfill its purpose






26. Changing one form of energy to another






27. Measure of data scatter






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






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






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






31. 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.






32. The difference between samples






33. Not having fixed limits; unrestricted; broad






34. 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






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






36. Used to transport fluid in a circuit






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






38. Distance between adjacent threads in a screw.






39. A body subjected to a push.






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






41. Numbers or information describing some characteristic.






42. Arithmetic average






43. A part or element of a larger whole






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

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45. The absolute value of a number






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






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






48. An electromagnetically operated switching device.






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






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







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Can you answer 50 questions in 15 minutes?


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