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Hydropower: Quiz

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Question 1: Some are purely mechanical but many primarily generate ________.
Electric chargeElectric currentElectromagnetismElectricity

Question 2: A relatively new technology, ________ draw energy from currents in much the same way that wind generators do.
Marine energyWave powerOcean thermal energy conversionTidal power

Question 3: The higher ________ of water means that a single generator can provide significant power.
IronCopperGoldDensity

Question 4: The trapped water turns ________ as it is released through the tidal barrage in either direction.
EngineGas turbineTurbine (disambiguation)Turbine

Question 5: In this case, the available power is the ________ of the flowing water.
Classical mechanicsKinetic energyMass–energy equivalenceSpecial relativity

Question 6: ________, used for hundreds of years to power mills and machinery
Water wheelWatermillMuslim Agricultural RevolutionHydraulics

Question 7: Harnessing power from ________ motion might yield much more energy than tides.
Wave shoalingRip currentWind waveBreaking wave

Question 8: Hushing was widely used in Britain in the ________ and later periods to extract lead and tin ores.
Early Middle AgesLate Middle AgesHigh Middle AgesMiddle Ages

Question 9: Hydropower, hydraulic power or water power is power that is derived from the force or ________ of moving water, which may be harnessed for useful purposes.
SpaceTimeEnergyUniverse

Question 10: Prior to the widespread availability of commercial electric power, hydropower was used for ________, and operation of various machines, such as watermills, textile machines, sawmills, dock cranes, and domestic lifts.
IrrigationDrip irrigationDrainageIrrigation statistics







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