Last updated on February 9th, 2024 at 04:32 pm
Q: What do you understand by Tidal energy?
A: Tidal energy is the energy harnessed from the rise and fall of tides in the sea, usually by using dams and turbines.
Q: What is Nuclear energy?
A: Nuclear energy is produced through nuclear fission, where heavy atoms like uranium are split into smaller atoms, releasing a large amount of energy.
Q: What material is used in a Thermoelectric plant to produce electricity?
A: Thermoelectric plants use boilers to heat water by burning coal, which then produces steam to turn turbines and generate electricity.
Q: What are the main products of petroleum?
A: The main products of petroleum are petrol (gasoline), diesel, kerosene, and petroleum gas (LPG).
Q: What is the other name for cooking gas ? What are its constituents ?
A: Cooking gas is also known as LPG (Liquified Petroleum Gas) and mainly contains butane, along with propane and ethane.
Q: Bio-gas is a mixture of which gases?
A: Bio-gas is a mixture of gases, including methane and carbon dioxide, produced from the anaerobic decomposition of organic material like cow dung.
Q: Why is the solar cooker box painted black?
A: The solar cooker box is painted black to absorb and retain heat more effectively.
Q: In the solar water heater, energy is transformed into which form?
A: In a solar water heater, solar energy is transformed into heat energy.
Q: What is the solar cell made of?
A: Solar cells are made of silicon materials.
4. Why are the pipes of solar water heater made up of copper ?
A: The pipes of solar water heaters are made of copper because copper is a good conductor of heat and helps transfer the heat efficiently to the water.
Q: What can you do to conserve or save electrical energy in your homes?
A: To conserve electrical energy in your homes, you can use energy-efficient appliances, turn off lights and devices when not in use, and properly insulate your home.
Q: Biodiesel is obtained from which plant?
A: Biodiesel is obtained from the Ratanjot plant.
Q: In future, from which other sources can we obtain energy?
A: In the future, we can obtain energy from renewable sources such as wind, solar, and tidal energy to reduce dependence on non-renewable fossil fuels.
