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Q1: Which method is widely used to optimize blade design for lift and drag?
Manual wind-tunnel testing only
Computational fluid dynamics (CFD) simulations
Field trial and error
Boundary layer tripping
Q2: What is the main function of the gearbox in a wind turbine?
Increasing rotor speed to match generator requirements
Store excess energy
Align the turbine with the wind
Cool the generator
Q3: During which project phase is the environmental impact assessment for a wind farm conducted?
Permitting stage
Decommissioning stage
Operating stage
Commissioning stage
Q4: The Darrieus rotor is an example of which turbine type?
Horizontal-axis two-bladed
Vertical-axis egg-beater
Horizontal-axis three-bladed
Vertical-axis Savonius
Q5: How can wake losses be minimized in wind-farm layout?
Placing turbines directly downwind in a row
Optimizing turbine spacing and staggering
Using only two turbines
Aligning all turbines perpendicular to prevailing wind
Q6: What end-of-life challenge do turbine blades present?
They biodegrade naturally
High recyclability like metal
They can be remelted and reformed
Large composite waste requiring special disposal
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