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






2. 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.






3. 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.






4. States that the direct current flowing in an electric circuit is directly proportional to the voltage applied to the circuit

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5. 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.






6. The measurement of how difficult it is for charges to flow through a material






7. The result of an experiment






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






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






10. Used to start and stop flow in a circuit






11. A result of a force moving an object a certain distance






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






13. The rate of change of velocity with respect to time.






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






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






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






17. A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit






18. Creating - designing - and transmitting technical information so that people can understand it easily and use it safely - effectively - and efficiently.






19. The distance the fluid travels through a system in a given period of time.






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






22. The unit of potential difference symbolized as V






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






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






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






26. A cylinder that can act under pressure in both directions (extend and retract) to move a load.






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






28. 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






29. A resource that cannot be replaced once used






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






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






32. The rotating member of an electrical machine






33. The use of a liquid flowing under pressure to transmit power from one location to another






34. A collection of individuals - each with his or her own expertise - brought together to benefit a common goal.






35. The probability of an event occurring based upon other event probabilities

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36. Categorical data graph






37. 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.






38. 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






39. Two different sized circular objects that are attached together and turn as one.






40. 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






41. An air pump that compresses air into a receiver tank.






42. A mechanical property of a material that shows how effective the material is absorbing mechanical energy without sustaining any permanent damage






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






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






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






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






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






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. A cylinder that acts under pressure in one direction only and returns automatically when the pressure is released.






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