Multiple Choice
_____ must face into the wind to produce power and, therefore, require some mechanism to constantly realign the rotor during changes in wind direction.
A) Horizontal-axis wind turbines
B) Vertical-axis wind turbines
C) Multidirectional-axis wind turbines
D) Diagonal-axis wind turbines
Correct Answer:

Verified
Correct Answer:
Verified
Q1: After many variations and refinements, wind turbines
Q3: Moderate wind speeds _ mph provide suitable
Q4: Small wind turbines do not offer a
Q5: Propellers created during World War I were
Q6: All types of wind turbines require high-quality
Q7: _ is the force of the air
Q8: Which of the following statements is true
Q9: _ destroys lift by causing turbulence behind
Q10: Operational wind speeds typically extend from _
Q11: Most modern wind turbines make use of