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Electrical Components

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 silicone semiconductor that maintains a fixed voltage in a circuit.






2. Ultra High Frequency






3. The power of one watt operating for one hour - and equal to 3 -600 joules.






4. A temperature scale. Also known as centigrade. Sea level water will freeze at 0






5. The act of the opening of an electrical circuit.






6. The magnitude and time phase of a quantity - represented by a plotted line.






7. ISO;






8. The maximum watts that a device can safely handle.






9. The moving of electricity or heat through a conductor.






10. The standard unit of magnetic flux.






11. The range of voltage needed to maintain operation of a control or device.






12. An interconnected arrangement of parts for carrying high-voltage electricity.






13. Inspection - analysis and action required to ensure quality of output.






14. MV; One thousandth of a volt. The difference in potential needed to cause a current of one milliampere flow through a resistance of one ohm.






15. Pounds per square inch absolute. Pressure commonly in reference to vacuum.






16. An electrically conductive fused salt or a solution where the charge is carried by ionic movement.






17. A fundamental negatively (-) charged atomic particle that rotates around a positively (+) charged nucleus of the atom.






18. One millionth of a meter.






19. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.






20. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.






21. A device that converts AC voltage to pulsating DC voltage.






22. Symbol used for wye configuration for three phase electrical connections.






23. A reference point at zero potential with respect to the earth. In an electronic circuit it is the common return path for electric current. A conducting connection between the earth and an electrical circuit or electrical equipment. Also - the negativ






24. The standard that is used to make comparison measurements or calibrations.






25. ANSI;






26. The rate of transfer of energy.






27. The part of a circuit that supplies power to the entire circuit or part of the circuit. Usually a separate unit that supplies power to a specific part of the circuit in a system.






28. The amount of power that is consumed and converted to heat.






29. An electromagnetic radiation produced when the inner satellite electrons of heavy atoms have been excited by collision with a stream of fast electrons return to their ground state - giving up the energy previously imparted to them.






30. Normally Open.






31. One millionth of an amp.






32. A circuit element or components that allows signals of certain frequencies to pass and blocks signals of other frequencies.






33. The measure of the ability of a material or substance to carry electrical current.






34. The element inside a vacuum tube - incandescent lamp or other similar device.






35. IEC;






36. Radio Frequency Interference.






37. A negative (-) electrode. The point of entry of electrons into a device from an external circuit. The negative electrode of a semiconductor diode.






38. Electrical energy produced by the action of heat.






39. The energy delivered by a circuit or device. The electrical signal produced by the input to the transducer.






40. Volt-ohm Meter.






41. That part of a circuit which is physically interconnected.






42. Kw; One thousand watts.






43. An ionized gas containing about equal numbers of positive and negative charges - which is a good conductor of electricity - and is affected by a magnetic field.






44. The average temperature of a process.






45. Kva; One thousand volt amps.






46. A solid-state switching device used in switching AC wave forms.






47. IEEE;






48. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.






49. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.






50. LED; A solid state light source component that emits light or invisible infrared radiation.







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