Advertisements
Advertisements
प्रश्न
Name a few major producers of petroleum in the world.
Advertisements
उत्तर
The main oil-producing areas are the Gulf countries including Saudi Arabia, Iraq, Iran, the USA, Venezuela, Algeria, and Russia.
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with a suitable word:
The amount of heat produce by burning a unit mass of a fuel completely is known as its ............ value.
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
The calorific values of three fuels A, B and C are 33 kJ/g, 48 kJ/g and 150 kJ/g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
Name any four fractions obtained from petroleum which are used as fuels.
Apart from cattle dung, what other substances can be added to a biogas plant?
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
(a) coal
(b) uranium
(c) petroleum
(d) natural gas
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
What are non-renewable resources of energy? Give two examples of such resources.
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Renewable source of energy is :
Fill in the blank
Solar cells use the power supplied by the ______.
Fill in the blank
Coal, petroleum, and natural gas are _________fuels.
Which part of the solar cooker is responsible for greenhouse effect?
Which among the following is the non-renewable resources?
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
Coal is one of the ______ used to cook food.
