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