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






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






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






4. The ratio of actual strength to required strength






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






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






7. The collection - evaluation - and interpretation of data






8. The probability that a component part - equipment - or system will satisfactorily perform its intended function under given circumstances - such as environmental conditions - limitations as to operating time - and frequency and thoroughness of mainte






9. The energy that a piece of matter has because of its position or nature or because of the arrangement of parts






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






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






12. A resource that cannot be replaced once used






13. A vector quantity giving the straight- line distance and direction from an initial position to a final position.






14. The absolute value of a number






15. The elements - constituents - or substances of which something is composed or can be made; matter that has qualities which give it individuality and by which it may be categorized






16. The ratio of the increment of some specified form of stress to the increment of some specified form of strain - such as Young's modulus - the bulk modulus - or the shear modulus. Also known as coefficient of elasticity - elasticity modulus - elastic






17. 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






18. The ratio of useful energy output to the total energy input - or the percentage of the work input that is converted to work output.






19. 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






20. 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






21. A device for making - breaking - or changing the connections in an electrical circuit.






22. A plate or bracket for strengthening an angle in framework.






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






24. A device used to spray an oil mist into the stream of a pneumatic system.






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






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

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27. 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.






28. Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units - each a relatively light and simple molecule






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






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






31. 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.






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






33. A switch that can provide variable motion control






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






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






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






37. 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.






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

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39. Individual fuel cells that are combined in series.






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






41. The unit of potential difference symbolized as V






42. Impeding effect exerted by one material object on another.






43. The force per unit area exerted by a fluid against a surface






44. Bell- shaped probability distribution






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






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

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47. The condition or quality of being true - correct - or exact; precision; exactness.






48. Operational techniques necessary to satisfy all quality requirements; includes process monitoring and the elimination of root causes of unsatisfactory product or service quality performance






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






50. 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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