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