Fossil Fuels and Thermal Energy

Q. Statement 1: Dynamo is used to generate electricity in thermal and hydro power plants.
Statement 2: Dynamo converts mechanical energy from turbine to electrical energy.

1. Statement 1 is correct and statement 2 is incorrect.
2. Statement 1 and statement 2 are correct, but statement 2 is not the reason for statement 1.
3. Both statements are incorrect.
4. Statement 1 and statement 2 are correct , and statement 2 is the reason for statement 1.

Q. Burning of fossil fuels produces:

1. Carbon oxides
2. Sulphur oxides
3. Nitrogen oxides
4. Hydrogen
5. Energy
6. Heat
7. Magnesium oxide
8. Oxygen

Q. Most amount of fossil fuels is used in the .

1. vehicles
2. domestic purpose
3. industries

Q. Burning of fossil fuel produces basic oxides of carbon, nitrogen, and sulphur.

1. False
2. True

Q. Why are most of thermal power plants located near coal mines?

1. It is necessary to transport coal to power plant immediately else the coal will disintegrate.
2. It is more economical to transmit electricity than to transport coal.
3. Coal gets wet when it comes in contact with air and is rendered useless.
4. Places near to thermal power plants are cheaper.

Q. Fossil fuels are renewable source of energy.

1. False
2. True

Q. Which of the following resources is exhaustible?

1. Fossil fuels
2. Wind energy
3. Nuclear energy
4. Hydel energy

Q. The sources of energy which have been used by mankind for a long time are called conventional sources of energy.

1. True
2. False

Q. What is the significance of word 'thermal' in thermal power generation?

1. Fuel is burnt and heat is produced.
2. Fuel is heated and then burnt.
3. Thermal refers to thermometer.
4. Heat is absorbed when fuel is burnt.

Q. Identify the fossil fuels from the given options.

1. Coal
2. Water
3. Crude oil
4. Solar
5. Natural gas
6. Wind
7. Petroleum
8. Biomass
9. LPG