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Wind and Wind Energy Flashcards | StudBud
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Wind and Wind Energy
Wind and Wind Energy
20 terms
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StudBud Administration
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A quiz on wind and wind energy.
Flashcards
20 cards
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Questions
20
Answers
1
If you wanted to visit an area with very little wind, where might you go?
The doldrums around the Equator
The North or South Pole
The jet stream in the northern hemisphere
The area around the Mediterranean Sea
2
How are winds in the northern hemisphere different from winds in the southern hemisphere?
Northern winds are deflected south; southern winds North
northern winds are deflected left; southern to the right
northern winds are deflected right; southern to the left
northern winds are deflected east; southern winds west
3
How do jet streams influence the weather?
By drying out the atmosphere
By increasing the moisture in the atmosphere
By creating clouds
By moving weather from one area to another very quickly
4
What are the following machines called?
Turbines
Mills
Converters
Weathervanes
5
What causes warm air to rise?
The fact that it has higher pressure than cold air
The fact that it's more dense than cold air
The fact that it weighs more than cold air
The fact that it's less dense than cold air
6
What would be one easy way to increase the amount of torque a wind turbine produces?
Decrease the length of the rotor blades
Decrease the height of the turbine
Increase the length of the rotor blades
Increase the height of the turbine
7
What can you conclude about prevailing winds from their names?
The air they contain is very cool
The air they contain is very warm
They blow from west to east
They blow all the time
8
What do the Santa Ana winds and the Fohn have in common?
They both occur around the equator
They both occur 10 km up in the atmosphere
They both occur in areas of high pressure
They are both influenced by mountain ranges
9
Which of the following is a drawback to wind energy?
Turbines can cause cancer among people who live near them
Turbines emit greenhouse gases
Wind turbines can hurt flying animals
There aren't enough sites in the US to build turbines
10
If you wanted to find the
jet stream
, where would you go?
The area around the Equator
The area around the poles
1 km above the Earth's surface
10 km above the Earth's surface
11
A)
Persia uses grain grinding mills;
B)
Wind used for sailboats;
C)
Europeans make windmills
C, B, A
B, A, C
A, B, C
A, C, B
12
Why is wind energy considered a renewable resource?
it's related to the weather
It's unlikely that humans will run out of it anytime soon
It can be used to generate electricity
It can be harnessed by human beings
13
What creates the air pressure difference between the equator and the poles?
The duration of the solar year
The shape of the Earth
The length of the seasons
The amount of direct sunlight each area receives
14
If you visited a wind farm, what would you see?
A geological formation where wind blows out of the ground
Several dozen wind turbines
A factory where wind is produced by giant fans
Wind blowing crop seeds into the Earth
15
What causes wind to blow?
Differences in longitude
The rotation of the Earth
Differences in air temperature and pressure
Shock waves from clouds
16
What is the best definition of a generater?
A device that conducts electrical current through a wire
A deviced that spins when exposed to wind
A device that converts mechanical motion into electricity
A device that measures wind speed
17
Compared to the amount of energy created by fossil fuels, the energy created by wind is?
substantial
equivalent
gigantic
small
18
How would an early Persian windmill compare to an early European windmill?
Persian mills made of stone; European mills made of wood
Persian mill blades were vertical; European mills horizontal
Persian mill blades were horizontal; European mills vertical
Persian mills made of sails; European mills made of wood
19
Which term best describes how the Earth's atmosphere is heated?
Kinetically
Spirally
Unevenly
Circularly
20
What type of energy is torque?
potential energy
wind energy
rotational energy
chemical energy
