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ABE 132 > RENEWABLE ENERGY > Flashcards

RENEWABLE ENERGY Flashcards

1
Q

Energy flows that are replenished

A

Renewable energy source

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2
Q

Intercepted by the earth

A

Solar energy
Prime renewable energy source

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3
Q

To utilize solar energy

A

Converting it to heat fuel power

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4
Q

Importance of RE

A

World population
Economic growth
Increase Capita
Urban clustering and centralization
Fossil fuels

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5
Q

Drawbacks on the use of RE

A

Large tracks of land
Material requirements
Transportation of energy
Improved science and tech
Economic cost

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6
Q

Theoretical maximum rate

A

Renewable mode

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7
Q

Renewable energy will cease to become renewable if it used up at a

A

Rate faster

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8
Q

Prime renewable

A

Solar Energy

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9
Q

Due to uneven heating of the eart

A

Wind power

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10
Q

Due to photosynthesis

A

Biomass energy

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11
Q

Due to hydrologic cycle

A

Hydro power

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12
Q

Associated with cooling of the earth

A

Geothermal energy

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13
Q

Not a consequence of solar energy

A

Salinity gradient

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14
Q

Due to lunar or solar

A

Tidal energy

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15
Q

Due to wind

A

Wace power

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16
Q

Power output of a mini hydro power unit

A

60-80%

17
Q

Worlds geothermal energy output

A

> 12.8 GW

18
Q

Highest geothermal resources

A

North America 21
Asia 21
Eastern Europe 17
South America 14
Africa 13

19
Q

Use of renewable fuel such as hydrogen

A

Fuel cells

20
Q

In the combustion of hydrogen and oxygen, heat is released

A

Gibbs free energy

ABE 132 (2 decks)

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