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Principles Of Engineering

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. 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






2. A body subjected to pull.






3. The information produced by a computer






4. A body subjected to a push.






5. Information encoded in a digital form - which is usually stored in an assigned address of a data memory for later use by the processor.






6. A solid- state switching device.






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






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






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






10. 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.






11. Conversion of an analog signal to a digital quantity such as binary.






12. The stress required to fracture a material whether by compression - tension - or shear






13. The fractional increase in a material's length due to stress in tension or thermal expansion






14. A dynamo or similar machine for converting mechanical energy into electricity






15. Categorical data graph percentage






16. 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.






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






18. A law that states that the internal energy in a system remains constant and the change in thermal energy of a system is equal to the work done on the system.






19. The ratio of actual strength to required strength






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






21. A small circuit board that controls all the processing within a computer.






22. A subordinate routine; specifically - a sequence of computer instructions for performing a specified task that can be used repeatedly.






23. A device used to convert fluid power into mechanical power in the form of linear motion.






24. A fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work






25. Anything for which a person is legally bound or responsible






26. A resource that cannot be replaced once used






27. A resource that can be replaced when needed






28. Slender straight pieces of a truss connected by joints.






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






30. 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






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






32. The result of an experiment






33. When a material is reduced in volume by the application of pressure; the reciprocal of the bulk modulus






34. The measure of resistance to heat flow






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






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






37. Arithmetic average






38. 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






39. A group technique for solving problems - generating ideas - stimulating creative thinking - etc. - by unrestrained spontaneous participation in discussion






40. 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.






41. 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






42. A toothed wheel whose teeth engage the links of a chain.






43. 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






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






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






46. A negative temperature coefficient - also known as a thermistor - is a sensitive resistor whose primary function is to exhibit a change in electric resistance with a change in temperature.






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






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






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






50. Pressure exerted by a confined fluid acts undiminished equally in all directions

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