Ideal Fuel

Q. What is a fuel? On what parameters do we judge whether the fuel is good or not?

Q. How is coal and petroleum formed?

Q. Explain is solar power plant ?

Q.

Combustion of coal and petroleum in absence of oxygen produces which of the following gases instead of carbon dioxide?

1. Sulphur dioxide

2. Nitrous oxide

3. Carbon monoxide

4. Nitrogen peroxide

Q. A typical solar cell can produce about ____ electricity.

1. 10 W
2. 0.7 W
3. 0.5 W
4. 7 W

Q. Solar thermal power plant needs in-built device to tilt reflectors according to the motion of Sun.

1. tracking
2. remote
3. mechanical

Q. Solar energy is a clean energy, but still it is not commonly used, why?

1. High installation cost
2. High Maintainece cost
3. Weather constraints
4. Low efficiency

Q. Which of the following is true about solar panels with respect to other sources of energy?

1. Solar cells have a high manufacturing cost and low efficiency
2. Solar cells have a low manufacturing cost and low efficiency
3. Solar cells have a low manufacturing cost and high efficiency
4. Solar cells have a low manufacturing cost and low efficiency

Q. Explain is solar power plant ?