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Grid energy storage: Quiz


Question 1: Electrical devices generally having a working ________ range that they require, commonly 110-120V or 220-240V.
VoltageElectrical networkMultimeterElectric current

Question 2: Due to the energy requirements of ________, and the limits in the total energy able to be stored, SMES is currently used for short duration energy storage.
Heat pumpVapor-compression refrigerationRefrigeratorRefrigeration

Question 3: ________ or solar cells that direct drive water pumps for an energy storing wind or solar dam can make this a more efficient process but are limited.
Wind turbineWind powerUnconventional wind turbinesWindmill

Question 4: Renewable supplies with variable production, like wind and ________, tend to increase the net variation in electric load, increasing the opportunity for grid energy storage.
Solar thermal energySolar powerSolar energyPhotovoltaics

Question 5: The power conditioning system uses an inverter/rectifier to transform ________ (AC) power to direct current or convert DC back to AC power.
ElectricityElectric currentTransformerAlternating current

Question 6: A community based pilot program using wind turbines and hydrogen generators was started in 2007 in the remote community of ________.
CanadaRamea, Newfoundland and LabradorBurgeo, Newfoundland and LabradorGrey River, Newfoundland and Labrador

Question 7: A typical SMES system includes three parts: superconducting ________, power conditioning system and cryogenically cooled refrigerator.
Tesla coilTransformerCoilInductor

Question 8: In particular, the use of grid-connected intermittent energy sources such as ________ and wind turbines can benefit from grid energy storage.
Solar cellPhotovoltaicsSolar powerSolar energy

Question 9: Superconducting magnetic energy storage (SMES) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil which has been ________ cooled to a temperature below its superconducting critical temperature.
EngineeringCryogenicsMetallurgyHealth science

Question 10: Non-fossil sources of carbon dioxide include fermentation plants and ________ plants.
Sewage treatmentIndustrial wastewater treatmentSewage sludge treatmentAnaerobic digestion


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