BUILDING UTILITIES 2 EXAM 2024 QUESTIONS AND ANSWERS

BUILDING UTILITIES 2 EXAM 2024 QUESTIONS AND ANSWERS Electricity -Answer-Energy generated by electrons in motion William Gilbert -Answer-Father of electricity Ion -Answer-An atom or molecule that is not electrically balanced Knob and tube -Answer-Earliest method of wiring buildings Alessandro Volta -Answer-Discovered that electrons flow when two different metals are connected by a wire and then dipped into a liquid Voltage -Answer-A measure of the pressure under which electricity flows Volts -Answer-Unit of electric potential Ohms -Answer-A measure of how hard it is for current to pass through a given material Amperage or Current -Answer-A measure on how much electricity passes a given point in time Amps -Answer-Standard unit for measuring the strength of an electric current Power -Answer-A measure of how much work an electrical system is able to accomplish Watt -Answer-The rate of power used Circuit -Answer-Wire installations that supply current to light and convenience outlets Impedance -Answer-Term for electric friction for AC Electricity Conductor -Answer-A material that allows electricity to move through it easily Insulator -Answer-A material that electricity has a hard time moving through DC Electricity -Answer-Current that flows in one direction AC Electricity -Answer-Current that reverses direction Power line -Answer-A wire used to carry electricity located high overhead or buried underground Distribution line -Answer-Power lines that carry electricity through towns and neighborhoods to homes and business Substation -Answer-Set of equipment reducing the high-voltage of electric power transmissions to suitable voltage supply to consumers Equipment -Answer-General term including material, devices, appliances, fixtures, apparatuses, etc. Fitting -Answer-An accessory such as locknut, bushing, or other part of wiring system which is intended to perform mechanical rather than electrical function Fixture -Answer-Electrical device which is secured to a wall or