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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. 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.






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






3. Change in length of an object in some direction per unit






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






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






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






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






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

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






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






11. Values that represent a measurable quantity






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






13. 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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14. Used to transport fluid in a circuit






15. The measure of resistance to heat flow






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






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






18. A continuous band of tough flexible material used to transmit motion and power within a pulley system.






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






20. A force system where all of the forces are applied at a common point on the body or having their lines of action with a common intersection point.






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

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






23. Plant materials and animal waste used especially as a source of fuel.






24. The calculated likelihood that a given event will occur






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






26. A device used to create flow in a hydraulic system.






27. 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.






28. The use of a fluid (liquid or gas) to transmit power from one location to another.






29. The value that occurs most frequently






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






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






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






33. Frequency distibution graph






34. The volume of fluid that moves through a system in a given period of time.






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






36. Not having fixed limits; unrestricted; broad






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






38. Listing of a data values along with their corresoponding frequencies.






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






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






41. 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






42. 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.






43. A limit to a design process. Constraints may be such things as appearance - funding - space - materials - and human capabilities






44. 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






45. A body subjected to a push.






46. A sliding piece moved by or moving against fluid pressure which usually consists of a short cylindrical body fitting within a cylindrical chamber or vessel along which it moves back and forth.






47. 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






48. 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.






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






50. 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.







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