Across
- 2. A non-metallic element, occurring in minerals and rocks and making up more than one fourth of the earth’s crust. Used in steelmaking, computer chips, etc.
- 3. To unite pieces of metal or plastic together by softening with heat and hammering or by fusion.
- 5. A furnace in which heat is generated by an electric arc.
- 8. A device for producing a current of air by the revolving movement of one or more blades.
- 10. A transducer that produces an output with a range of voltages whose ratio is smaller than that of the range of the input signal.
- 11. A semiconductor device that amplifies, oscillates, or switches the flow of current between two terminals by varying the current or voltage between one of the terminals and a third.
- 12. A method of adding a dopant to a pure semiconductor to change its electrical properties.
- 14. A machine for pushing or sending air through something.
- 15. A semiconductor device having two stable states, used as an electronic switch.
- 18. An electrical grid which includes a variety of operation and energy measures including smart meters, smart appliances, renewable energy resources and energy efficient resources.
- 21. A machine for grinding or crushing any solid substance.
- 23. A substance, such as silicon, that can conduct electricity with less efficiency than a true conductor.
- 26. An Uninterrupted Power Supply is an electrical apparatus that provides emergency power to a load when the input power source fails.
- 27. A moving platform or cage for carrying people or freight from one level to another, as in a building.
Down
- 1. The application of solid-state electronics to the control and conversion of electric power.
- 4. Alternating Current power is standard electricity that comes out of power outlets and is defined as a flow of charge that exhibits a periodic change in direction.
- 6. Flexible AC Transmission System is a system composed of static equipment used for the alternating current (AC) transmission of electrical energy.
- 7. A vehicle having two power-operated horizontal prongs that can be raised or lowered for loading, transporting, and unloading goods.
- 9. Direct Current power is a linear electrical current that moves in a straight line.
- 13. A pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process.
- 16. A power transmission system that uses high-voltage direct current (HVDC) for the bulk transmission of electrical power.
- 17. A pulley traveling on an overhead track and serving to support and move an object hung from it or a small truck or car operated on a track, as in a factory
- 19. A device for turning on or off or directing an electric current.
- 20. A device which compensates for the reactive power of the load connected to a power system. Also known as SVC (Static VAR Compensation).
- 22. An apparatus or machine for raising, pushing in or out, or compressing fluid or gases.
- 24. A large device for lifting and moving very heavy objects.
- 25. A device through which current can pass freely in only one direction.