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Q1: Offshore wind farms typically have which advantage over onshore installations?
Easier maintanence access
Higher and more consistent wind speeds
Lower capital costs
No need for transmission lines
Q2: What is "wake effect" in wind energy?
Reduction in wind speed and turbulence behind a turbine
Increased power output downstream of turbines
Sudden shutdown of turbines in high winds
Electrical surges in generator circuits
Q3: Which government policy mechanism directly gaurantees a fixed price for electricity generated by wind power?
Carbon tax
Renewable portfolio standard
Feed-in tariff
Cap-and-trade system
Q4: What is the typical lifespan of a modern utility-scale wind turbine before major refurbishment?
5-7 years
10-15 years
20-25 years
Over 30 years
Q5: What does the cut-in speed of a wind turbine refer to?
Maximum wind speed before shutdown
Minimum wind speed at which the turbine starts generating power
Average wind speed at the site
Wind speed for peak efficiency
Q6: Which component adjusts the blade angle to regulate rotor speed?
Gearbox
Pitch control system
Yaw drive
Generator
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