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






2. A switching device that uses the magnetic field generated by an electrical current for actuation.






3. Distance between adjacent threads in a screw.






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






5. The ability to get answers to questions through a conscious - organized process. The answers are usually - but not necessarily - quantitative






6. 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






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






8. The state when objects are not yet in motion






9. A major or minor change in the design of an item - effected in order to correct a deficiency - to facilitate production - or to improve operational effectiveness.






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






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






12. A switch that can provide variable motion control






13. The total length of path over which the particle travels.






14. Properties other than mechanical properties that pertain to the physics of a material and can usually be measured without the application of force






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






16. A natural fuel such as coal or gas - formed in the geological past from the remains of living organisms






17. Something made up of interdependent parts in a definite pattern of organization - such as trusses - frames - or machines.






18. A method of analysis of trusses which constructs free body diagrams of each joint and determines the forces acting in that joint by considering equilibrium of the joint pin.






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






20. The transfer of heat through matter by molecular activity; Energy is transferred through collisions from one molecule to another






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






22. A process that changes the size and shape of a material by a combination of force and a shaped form






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






24. The use of gas flowing under pressure to transmit power from one location to another.






25. Sometimes referred to as tensile strength; determined by measuring the maximum load a material specimen can carry when in the shape of a rectangular bar or cylindrical can






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






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






28. A resource that cannot be replaced once used






29. The value that occurs most frequently






30. Sometimes referred to as tensile strength; determined by measuring the maximum load a material specimen can carry when in the shape of a rectangular bar or cylindrical can






31. A control system that considers the output of a system and makes adjustments based on that output.






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

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33. A part of a design brief that challenges the designer - describes what a design solution should do without describing how to solve the problem -






34. A step- by- step procedure for solving a problem or accomplishing some end - especially by a computer.






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






36. A system that links electricity produced in power stations to deliver it to where it is needed






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






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






39. The collection and analysis of numerical data in large quantities






40. Measure of data scatter






41. Returning to an original condition. The extraction and recovery of valuable materials from scrap or other discarded materials






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






43. 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.






44. A mathematical property of a cross section that is concerned with a surface area and how that area is distributed about a centroidal axis.






45. Frequency distribution graph






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






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






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






49. The measure of resistance to heat flow






50. The amount or quantity of something