A) To generate renewable energy B) To store energy in batteries C) To convert kinetic energy into electricity D) To transmit and distribute electrical energy
A) Circuit breaker B) Transformer C) Inverter D) Generator
A) 50 Hz or 60 Hz B) 70 Hz C) 30 Hz D) 100 Hz
A) Active Current B) Artificial Current C) Alternating Current D) Always Connected
A) To convert AC to DC B) To decrease voltage for household use C) To regulate frequency D) To increase voltage for long-distance transmission
A) Real Power B) Reactive Power C) Complex Power D) Apparent Power
A) Internet data B) Natural gas C) Electricity D) Water
A) To generate electricity B) To regulate frequency C) To store energy D) To control, protect, and isolate electrical equipment
A) Smart Grid B) Microgrid C) Islanded System D) Grid-tied System
A) Ohm B) Volt C) Ampere D) Watt
A) Microgrid B) Islanded System C) Grid-tied System D) Smart Grid
A) Volt B) Watt C) Ampere D) Ohm
A) Short Circuit B) Open Circuit C) Overload D) Ground Fault
A) Installed by Westinghouse at Telluride, Colorado in 1891. B) Developed by Ottó Titusz Bláthy C) Constructed by Siemens and AEG D) Built by Edison General Electric
A) 50-60 kV B) More than 69 kV C) Less than 69 kV D) 100-120 kV
A) Gold B) Aluminum C) Steel D) Copper
A) TeKaDe B) A General Electric research group in 1957. C) Siemens D) Brown Boveri & Cie
A) Residual current devices (RCDs) B) Miniature circuit breakers C) Fuses D) Thermomagnetic switches
A) Porcelain B) Glass C) Cross-linked polyethylene D) Air
A) Ottó Titusz Bláthy B) George Westinghouse C) Two electricians D) Thomas Edison
A) Batteries, fuel cells, photovoltaic cells B) Hydroelectric plants, wind turbines C) HVDC links, synchronous systems D) Turbo generators, steam turbines
A) Residential window units B) Mini-split systems C) Larger centralized air conditioning systems D) Portable air conditioners
A) The tensile strength B) The insulation C) The voltage level D) The cost
A) Voltage sags B) Transient overvoltages C) Flicker D) High-frequency noise
A) Short-circuit fault levels B) Load flow C) Voltage drop D) Thermal efficiency
A) Inverter B) Transformer C) Generator D) Circuit breaker
A) Used water wheels for power generation. B) Provided it with a closed iron core. C) Developed high-voltage DC transmission. D) Connected transformers in series.
A) Redundancy B) Run-to-fail C) Active management D) Specialized team management
A) George Westinghouse B) Thomas Edison C) William Stanley D) Ottó Titusz Bláthy
A) It was more expensive than parallel connections. B) It required a closed iron core. C) It increased power loss during transmission. D) It affected the brightness of lamps further down the line.
A) Refrigerator B) Water heater C) HVAC unit D) Washing machine
A) Using sulfur hexafluoride (SF6) gas B) Applying oil immersion C) Employing water jets D) Utilizing vacuum chambers
A) Edison General Electric was taken over by Thomson-Houston Electric Company, forming General Electric. B) The invention of HVDC technology. C) The success of Westinghouse's AC systems. D) The failure of Edison's power systems.
A) 50-60 kV B) Less than 69 kV C) More than 69 kV D) 100-120 kV |