Tag: solar energy and its applications

Questions Related to solar energy and its applications

Of the following, the fuel having different from others is

  1. Water gas

  2. Coal gas

  3. Producer gas

  4. Coke


Correct Option: D

Of the following, the fuel different from others is

  1. Charcoal

  2. Lignite

  3. Coke

  4. Alcohol


Correct Option: D

When compared to other kinds of energy providing fuels like petrol and wood, electricity is better because it :

  1. causes minimum pollution

  2. is renewable

  3. is cheaper

  4. all of these


Correct Option: C
Explanation:

fuels like petrol and wood, electricity is cheaper and produce less toxic gas when it burn.
Option C

Coke is obtained from

  1. petroleum

  2. Diesel

  3. Coal

  4. None of these


Correct Option: C
Explanation:

Coke is obtained from Coal.

The correct option is C.

The fuel formed by the remnants of marine life is :

  1. petroleum

  2. electricity

  3. biogas

  4. coal


Correct Option: A

Example of fossil energy is : 

  1. Alcohol

  2. Hydrogen

  3. Petrol

  4. Gobar gas


Correct Option: C
Explanation:

Petrol is a product of petroleum obtained with the help of fractional distillation petroleum is a fossil fuel taken out from various depths of earth both on land and see shore. 

Which of the following is formed under the earth by the decomposition of plant matter by anaerobic bacteria lying under water?

  1. Coal gas

  2. Petroleum gas

  3. Natural gas

  4. Producer gas


Correct Option: C

The source of energy which is different from others is

  1. Natural gas

  2. Petroleum

  3. Uranium

  4. Wood


Correct Option: D

The amount of energy released in burning $1\ kg$ of coal is

  1. $3\ MJ$

  2. $30\ MJ$

  3. $300\ MJ$

  4. $3000\ MJ$


Correct Option: B
Explanation:

When $1\ kg$ of coal is burnt the energy released is $30\ MJ ( = 3\times 10^{7}J)$.

Fuel formed under the earths surface by the decomposition of organic matter is:

  1. organic fuel

  2. bio-gas

  3. fossil fuel

  4. underground fuel


Correct Option: C
Explanation:

Fuels formed under the earth by the decomposition of organic matter are called fossil fuels