Tag: solar energy and its applications

Questions Related to solar energy and its applications

From below conventional sources of energy which is NOT a non renewable source of energy?

  1. Wind

  2. Coal

  3. Petroleum

  4. Natural gas


Correct Option: A
Explanation:

Some examples of conventional sources of energy are wood, coal, fossil fuels, petroleum and natural gas.

Some examples of non-conventional sources of energy are wind, hydel, solar, tidal.

Conventional sources of energy are also known as :

  1. Non Renewable sources

  2. Renewable sources

  3. Both a and b

  4. None


Correct Option: A
Explanation:

Sources of energy that have been used for a very long time and cannot be used or renewed again are the conventional sources of energy. Example: coal, oil and pertroleum.

Which of the following energy source is most costly?

  1. Thermal Energy

  2. Hydel Energy

  3. Solar Energy

  4. Fossil Energy


Correct Option: B
Explanation:

Harnessing hydel power / energy is very costly procedure due to construction of large dams across the streams, clearance of vegetation for the development of the project, rehabilitation of the people living nearby the water bodies.

Of the following, the fuel different from others is

  1. Diesel

  2. Gasoline

  3. Alcohol

  4. Lignite


Correct Option: D

Kerosene burns more rapidly than coke because

  1. It has got more oxygen in it than coke

  2. It is a liquid hydrocarbon

  3. It has a low ignition temperature

  4. None of these


Correct Option: C

Destructive distillation of coal leads to the formation of

  1. Wood

  2. Kerosene

  3. Amino acid liquor

  4. Charcoal


Correct Option: C

Which of the following is not an example of spontaneous combustion?

  1. Burning of liquified petroleum gas

  2. Fire caused in coal mines

  3. Dry white phosphorous liberates white fumes on exposure to air

  4. All of these


Correct Option: A

Which of the following are 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: A,C
Explanation:

Coal gas and natural gas are formed under the earth by the decomposition of plant matter by anaerobic bacteria lying under the water.

The correct option is A and C.

Coal is formed from the remains of :

  1. vegetation only

  2. both vegetation and animals

  3. animals only

  4. none of these


Correct Option: A

Of the following, flames produced by a candle is

  1. Blue flame

  2. Non-luminous flame

  3. Light giving flame

  4. Yellow luminous flame


Correct Option: D