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Kinjal ray
Kinjal ray
@kinjal-ray
Noble Member
Joined: Nov 6, 2020
Last seen: Sep 30, 2021
Topics: 0 / Replies: 2124
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Answer to: Draw a neat diagram of the box type solar cooker. Label it and explain the function of each part.

A solar cooker is like a hot box, in which we can cook our food without any cooking gas or kerosene, electricity, coal or wood. We do not need to spen...

5 years ago
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Answer to: What are the limitations of harnessing wind energy? Where is the largest wind energy farm in India?

Windmill gives high efficiency only in wind seasons. Wind energy is the conversion of air pressure into electric power. The high-pressure wind runs th...

5 years ago
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Answer to: What are the qualities in choosing a good fuel?

Must be highly efficient, low in cost and durable.

5 years ago
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Answer to: Explain wind energy.

Wind energy is the conversion of air pressure into electric power. The high pressure wind runs the wind mill, which in turn produces electric power.

5 years ago
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Answer to: Why are hydrogen and alcohol not commercial fuel?

When alcohol is used as a fuel, then the byproduct is carbon dioxide and carbon monoxide. This is the reason that hydrogen and alcohol are not commerc...

5 years ago
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Answer to: How is biogas energy better than any energy?

Biogas energy is better than any other energy, because it is not harmful at any cause and it is pollution free.

5 years ago
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Answer to: Explain about hydroelectricity.

It is the conversion of flow of water in to electric power. The basic process is electromagnetic induction, which converts mechanical energy into elec...

5 years ago
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Answer to: How is harnessing hydroelectric energy done on a small scale?

By using the flow of water in rivers and dams, hydroelectricity is demonstrated and power is generated.

5 years ago
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Answer to: Explain the construction of a solar cell. Give the uses of solar cell.

Solar cell consists of a black plate, which absorbs the solar radiation and converts this solar radiation in to electrical energy by the process of ph...

5 years ago
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Answer to: Give one main difference between solar cooker and solar concentrator.

In solar cooker, solar radiation spreads at all the points, whereas in solar concentrator it is concentrated at a particular point.

5 years ago
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Answer to: Give the peculiar property of glass sheet?

A glass sheet transmits solar radiation into it as a semiconductor.

5 years ago
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Answer to: How is electricity produced from thermal power plants?

In thermal power plants, heat is converted into steam energy which runs the turbine to get electrical energy.

5 years ago
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Answer to: What are the characteristics of source of energy?

Characteristics are generally classified in to renewable sources of energy and non-renewable sources of energy, which is used in heating, producing po...

5 years ago
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Answer to: Explain about solar collector.

Solar collector is a form of collector which collects solar energy and transforms the solar energy to the form which can be utilized according to the ...

5 years ago
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Answer to: Define ignition temp. Which has lower ignition temperature, kerosene or LPG. Why?

When any substance tends to burn for a particular temperature it is called the ignition temperature for that particular substance.

5 years ago
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Answer to: Explain about calorific value of fuel.

Heat energy is measured in units of joules or calories (1 calorie = 4.18 joules). The heat generated by fuels when they burn in joules or calories mea...

5 years ago
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5 years ago
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Answer to: What radiations are converted to electricity in a solar cell? What are they used?

Solar radiations are converted into electricity in solar cell which is used in traffic signal lights, etc.

5 years ago
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Answer to: What is solar constant?

The Solar Radiation that falls on an area above the atmosphere at a vertical angle: s = 1.37 kW / m². In space, solar radiation is practically const...

5 years ago
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