Question : Non-commercial energy sources include:
Option 1: Diesel fuel
Option 2: Charcoal
Option 3: Liquefied petroleum gas (LPG)
Option 4: Electricity
Correct Answer: Charcoal
Solution : The correct answer is (B) Charcoal
Non-commercial energy sources are typically traditional or non-market-based energy sources that are often used in rural or subsistence settings. They are not commonly bought or sold in commercial markets. These energy sources are often locally available and may include biomass, animal dung, wood, and other traditional fuels.
Charcoal is considered a non-commercial energy source as it is often produced locally through traditional methods and used for cooking and heating in rural and informal settings. Charcoal is typically not widely traded in commercial markets, and its production and use are often informal and localized.
Question : Non-commercial energy sources are often used for:
Option 1: Industrial production
Option 2: Transportation
Option 3: Cooking and heating
Option 4: Electricity generation
Question : Which gas is the major component of biogas?
Option 1: Compressed natural gas
Option 2: Methane
Option 3: Hydrogen
Option 4: Liquefied petroleum gas
Question : Chlorine gas is a major component of which of the following?
Option 1: Water
Option 2: Tear gas
Option 3: Liquefied petroleum gas
Option 4: Gobar gas
Question : Commercial energy sources are primarily used for:
Option 1: Industrial purposes
Option 2: Residential heating
Option 3: Agricultural irrigation
Option 4: Public transportation
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