Recent questions tagged energy-and-environment-energy-sources

An agricultural land can support energy crops yield to produce $7000$ $\text{L}$ of bioethanol per hectare and energy content of bioethanol is $21 \mathrm{MJ} / \mathrm{L...

​​​​Methane hydrates have special crystal structure of water, where methane gas molecules are trapped. Choose the correct option(s) from the followingMethane hydrates exi...

An incandescent light bulb operated for two hours per day uses $12.2 \: \text{kWh}$ of energy per month. Burning of one kg of coal generates $2 \: \text{kWh}$ of electric...

In a region, total annual consumption of gasoline is 30.6 million tons. The land required for growing sugarcane to produce enough bioethanol to replace the gasoline compl...

A city generates on average $1000$ metric tonnes/day of municipal solid waste and follows integrated waste management system. $15 \%$ of the total waste is recycled, $40 ...

Ms. Anita uses a BS-IV two wheeler petrol scooter, with a mileage of $50 \mathrm{~km} / \mathrm{L}$, to travel $30 \mathrm{~km}$ every day. She exchanges this two wheeler...

The table below shows the carbon content of four samples of powdered coal. If these four samples are mixed completely, what would be the resultant carbon percentage of th...

For any particular location, which of the following would influence the solar radiation incident on a rooftop solar water heater? Heater surface temperature Day of the ye...

Figure below gives the heat inflow into the furnace of a waste-to-energy plant along with the heat outflows from the furnace. Assume: (i) total heat loss equal to $3 \%$...