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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. 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






2. A resource that cannot be replaced once used






3. A written plan that identifies a problem to be solved - its criteria - and its constraints.






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






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






6. A strong rope - usually made of metal - designed to have great tensile strength and to be used in structures.






7. Distance between adjacent threads in a screw.






8. 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






9. 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.






10. 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






11. The production of an electric or magnetic state by the proximity (without contact) of an electrified or magnetized body






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






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






14. Changes one form of power to another






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






16. 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.






17. 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






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






19. A device that holds the compressed air in a pneumatic system.






20. 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.






21. Absolute temperature scale






22. A part of a design brief that clearly and concisely identifies a client's or target consumer's problem - need - or want.






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






24. 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






25. 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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26. An activity with observable results






27. Test methods used to examine an object - material - or system causing permanent damage to its usefulness






28. A measure of a fluid's thickness or resistance to flow.






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






30. Individual fuel cells that are combined in series.






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






32. The geometric center of an area.






33. An inclined plane wrapped around a cylinder - forming the path and pitch.






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






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






36. A profession for which one trains and which is undertaken as a permanent calling.






37. Energy caused by the movement of electrons.






38. 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






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






40. The process in which an electric current is used to produce a chemical reaction - such as the decomposition of water






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






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






43. Numbers or information describing some characteristic.






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






45. A form of energy that travels through space as waves.






46. 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






47. 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






48. 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.






49. Used to transport fluid in a circuit






50. The measure of resistance to heat flow







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