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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 part or element of a larger whole






2. A diagram used to isolate a body from its environment - showing all external forces acting upon it.






3. Categorical data graph






4. A switch that can provide variable motion control






5. The difference between samples






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






7. 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






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






9. An electromagnetically operated switching device.






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

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11. 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






12. SPC is a method of monitoring - controlling - and ideally improving a process through statistical analysis. Its four basic steps include measuring the process - eliminating variances in the process to make it consistent - monitoring the process - and






13. Condition caused by collapse - break - or bending - so that a structure or structural element can no longer fulfill its purpose






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






15. 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






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






17. The rate at which work is performed or energy is expended






18. The unit of electric resistance in the meter- kilogram- second system of units. Symbolized as O






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






20. The resistance that one surface or object encounters when moving over another.






21. Used to start and stop flow in a circuit






22. Individual fuel cells that are combined in series.






23. A vector quantity that includes the speed and direction of an object.






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






25. 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.






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






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






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






29. 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.






30. The ratio of the magnitude of the resistance and effort forces applied a system.






31. Arithmetic average






32. An energy source that will never run out






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






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






35. A set of all possible outcomes or events in an experiment that cannot be further broken down.






36. 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.






37. Systems that do not make use of any externally powered - moving parts - such as circulation pumps - to move heated water or air.






38. The use of heat from within the Earth or from the atmosphere near oceans






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






40. 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.






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






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






43. Any of various elementary mechanisms including the lever - the wheel and axle - the pulley - the inclined plane - the wedge - and the screw.






44. The condition of unrestrained motion in a gravitational field.






45. 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.






46. Machining a surface to size with a fine feed produced in a lathe - milling machine - or grinder






47. Stages a product goes through from concept and use to eventual withdrawal from the marketplace






48. A series of usually metal links or rings connected to or fitted into one another and used to transmit motion and power within a sprocket system.






49. The square root of the variance.






50. 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