Wind Energy

QuizÂ by Abi-Gail Lazarus

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9 questions
• Q1
Wind energy is usually harnessed using ........
the Wind Collector 2000
Wind turbines and Wind harnesses
Windmills and Wind turbines
Windmills and solar panels
10s
• Q2
Which list depicts in the correct order, how wind turbines produce electricity?
1. wind measurement is taken 2. the turbines rotate to face the strongest wind and the blades are angled such that optimum energy is collected 3. the wind turns the blades of the turbine around a motor and the generator begins to spin 4.electricity is produced
1. the turbines rotate to face the strongest wind and the blades are angled such that optimum energy is collected 2. wind measurement is taken 3. the wind turns the blades of the turbine around a motor and the generator begins to spin 4. electricity is produced
1. the turbines rotate to face the strongest wind and the blades are angled such that optimum energy is collected 2. the wind turns the blades of the turbine around a motor and the generator begins to spin 3. wind measurement is taken 4. electricity is produced
10s
• Q3
The difference in air pressure across the two sides of the blade creates two forces. These forces are .........
lift and tension
drag and lift
tension and normal force
drag and normal force
10s
• Q4
When the turbine spins and the the wind flows across the blade, the air pressure on one side of the lade will.....
remain the same
increase
decrease
10s
• Q5
The rotor of the wind turbine only spins when......
lift force is greater than drag
drag force drastically increases hen slowly decreases as the lift force increases
drag and lift force are equal
drag is greater than lift force
10s
• Q6
If the wind is blowing too hard then the turbines will..........
slow down
shut down
convert wind to electricity at faster rates
10s
• Q7
What are the two categories of wind turbines?
horizontal and vertical wind turbines
straight and diagonal wind turbines
x and y wind turbines
10s
• Q8
The Wigton Wind Farm in Jamaica uses wind energy. In which parish is the farm located?
St. Elizabeth OR St Elizabeth
10s
• Q9
What are the two categories of wind turbines?
horizontal and vertical wind turbines
x and y wind turbines
straight and diagonal wind turbines
10s

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