4. Renewable Energy
Wind Energy — Quiz
Test your understanding of wind energy with 5 practice questions.
Practice Questions
Question 1
A wind turbine with rotor diameter 100 m operates at a mean wind speed of 6 m/s, air density ρ = 1.225 kg/m³, and power coefficient Cₚ = 0.40. What is its approximate average power output?
Question 2
Which remote sensing technique uses acoustic pulses to profile wind speed at multiple heights without a meteorological mast?
Question 3
What is a key limitation of applying Betz’s law directly to estimate real turbine energy yield?
Question 4
A site records a mean wind speed of 8 m/s with standard deviation 1.6 m/s. What is the turbulence intensity (TI)?
Question 5
Under which atmospheric stability condition is the wind shear exponent α typically highest?