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