Determine the efficiency of a solar system which uses a focusing system covering 300 m2 and produces 50 kW of power. The solar power available is 900 W\m2.

A) 2% B) 18% C) 54 % D) 81% E) 94% A) 2% B) 18% C) 54 % D) 81% E) 94%

Determine the efficiency of a solar system which uses a 75 heliostats with an area of 3.0 m2 and produces 25 kW of power. The solar power available is 1100 W\m2.

A) 10% B) 20% C) 30 % D) 45% E) 90% A) 10% B) 20% C) 30 % D) 45% E) 90%

Which process is represented in the equation? Sunlight + 6CO2 + 6H2O → C6H12O6 + 6O2

A) Photosynthesis B) Electrolysis C) Photovoltaic cell D) Respiration E) Combustion A) Photosynthesis B) Electrolysis C) Photovoltaic cell D) Respiration E) Combustion

Determine the efficiency of a solar system which uses a focusing system covering 100 m2 and produces 40 kW of power. The solar power available is 1000 W\m2.

A) 20% B) 40% C) 60 % D) 88% E) 94% A) 20% B) 40% C) 60 % D) 88% E) 94%

Exam 10: Energy for Tomorrow: Solar and Other Renewable Energy Sources

Which of these uses a device known as a heliostat to focus the sun's energy on molten salt water and create steam? I. Solar power tower II. Parabolic trough III. Dish engine

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(Multiple Choice)

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Question 1

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Which of these is not a disadvantage of hydropower?

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(Multiple Choice)

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Question 2

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Which of these is the most significant problem with geothermal energy?

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(Multiple Choice)

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Question 3

Correct Answer:

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Which alternative energy source is considered to be renewable?

(Multiple Choice)

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Question 4

Photovoltaic cells convert light to electricity without _______.

(Multiple Choice)

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Question 5

Which of theses items will not help in the conservation of household energy?

(Multiple Choice)

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Question 6

Which of these uses pipes to focus sunlight, which heats synthetic oil, which inturn heats water and creates steam? I. Solar power tower II. Parabolic trough III. Dish engine

(Multiple Choice)

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Question 7

Which of these are the two methods are utilized for obtaining energy from plants?

(Multiple Choice)

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Question 8

Determine the efficiency of a solar system which uses a focusing system covering 300 m² and produces 50 kW of power. The solar power available is 900 W\m².

(Multiple Choice)

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(38)

Question 9

Which of these statements concerning wind power is incorrect ?

(Multiple Choice)

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Question 10

Which of these technological advances will increase the supply of nuclear fissionable material by 10,000 years?

(Multiple Choice)

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Question 11

Rank these household energy consumers from least to greatest. (space heating, air-conditioning, water heating, refrigerator)

(Multiple Choice)

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Question 12

Determine the efficiency of a solar system which uses a 75 heliostats with an area of 3.0 m² and produces 25 kW of power. The solar power available is 1100 W\m².

(Multiple Choice)

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(46)

Question 13

Which process is represented in the equation? Sunlight + 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

(Multiple Choice)

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Question 14

Which of these elements would result in an electron rich semiconductor when added to silicon?

(Multiple Choice)

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Question 15

Determine the efficiency of a solar system which uses a focusing system covering 100 m² and produces 40 kW of power. The solar power available is 1000 W\m².

(Multiple Choice)

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Question 16

Which of these non-fissionable substance is converted in a breeder reactor to fissionable Pu-239?

(Multiple Choice)

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Question 17

Which of these is a problem with storing solar energy in batteries? I. It is very expensive. II. There is a lack of storage materials. III. There is a loss of energy during the conversion process.

(Multiple Choice)

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Question 18

Which of these is an environmental problem associated with hydroelectric power?

(Multiple Choice)

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Question 19

Which of these household appliances consumes the least amount of electricity per year?

(Multiple Choice)

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Question 20

Showing 1 - 20 of 63

Which of these uses a device known as a heliostat to focus the sun's energy on molten salt water and create steam? I. Solar power tower II. Parabolic trough III. Dish engine

Which of these is not a disadvantage of hydropower?

Which of these is the most significant problem with geothermal energy?

Which alternative energy source is considered to be renewable?

Photovoltaic cells convert light to electricity without _______.

Which of theses items will not help in the conservation of household energy?

Which of these uses pipes to focus sunlight, which heats synthetic oil, which inturn heats water and creates steam? I. Solar power tower II. Parabolic trough III. Dish engine

Which of these are the two methods are utilized for obtaining energy from plants?

Determine the efficiency of a solar system which uses a focusing system covering 300 m² and produces 50 kW of power. The solar power available is 900 W\m².

Which of these statements concerning wind power is incorrect ?

Which of these technological advances will increase the supply of nuclear fissionable material by 10,000 years?

Rank these household energy consumers from least to greatest. (space heating, air-conditioning, water heating, refrigerator)

Determine the efficiency of a solar system which uses a 75 heliostats with an area of 3.0 m² and produces 25 kW of power. The solar power available is 1100 W\m².

Which process is represented in the equation? Sunlight + 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Which of these elements would result in an electron rich semiconductor when added to silicon?

Determine the efficiency of a solar system which uses a focusing system covering 100 m² and produces 40 kW of power. The solar power available is 1000 W\m².

Which of these non-fissionable substance is converted in a breeder reactor to fissionable Pu-239?

Which of these is a problem with storing solar energy in batteries? I. It is very expensive. II. There is a lack of storage materials. III. There is a loss of energy during the conversion process.

Which of these is an environmental problem associated with hydroelectric power?

Which of these household appliances consumes the least amount of electricity per year?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

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Exam 10: Energy for Tomorrow: Solar and Other Renewable Energy Sources

Which of these uses a device known as a heliostat to focus the sun's energy on molten salt water and create steam? I. Solar power tower II. Parabolic trough III. Dish engine

Which of these is not a disadvantage of hydropower?

Which of these is the most significant problem with geothermal energy?

Which alternative energy source is considered to be renewable?

Photovoltaic cells convert light to electricity without _______.

Which of theses items will not help in the conservation of household energy?

Which of these uses pipes to focus sunlight, which heats synthetic oil, which inturn heats water and creates steam? I. Solar power tower II. Parabolic trough III. Dish engine

Which of these are the two methods are utilized for obtaining energy from plants?

Determine the efficiency of a solar system which uses a focusing system covering 300 m2 and produces 50 kW of power. The solar power available is 900 W\m2.

Which of these statements concerning wind power is incorrect ?

Which of these technological advances will increase the supply of nuclear fissionable material by 10,000 years?

Rank these household energy consumers from least to greatest. (space heating, air-conditioning, water heating, refrigerator)

Determine the efficiency of a solar system which uses a 75 heliostats with an area of 3.0 m2 and produces 25 kW of power. The solar power available is 1100 W\m2.

Which process is represented in the equation? ​ Sunlight + 6CO2 + 6H2O → C6H12O6 + 6O2

Which of these elements would result in an electron rich semiconductor when added to silicon?

Determine the efficiency of a solar system which uses a focusing system covering 100 m2 and produces 40 kW of power. The solar power available is 1000 W\m2.

Which of these non-fissionable substance is converted in a breeder reactor to fissionable Pu-239?

Which of these is a problem with storing solar energy in batteries? I. It is very expensive. II. There is a lack of storage materials. III. There is a loss of energy during the conversion process.

Which of these is an environmental problem associated with hydroelectric power?

Which of these household appliances consumes the least amount of electricity per year?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Determine the efficiency of a solar system which uses a focusing system covering 300 m² and produces 50 kW of power. The solar power available is 900 W\m².

Determine the efficiency of a solar system which uses a 75 heliostats with an area of 3.0 m² and produces 25 kW of power. The solar power available is 1100 W\m².

Which process is represented in the equation? Sunlight + 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Determine the efficiency of a solar system which uses a focusing system covering 100 m² and produces 40 kW of power. The solar power available is 1000 W\m².