Three advantages of coal and petroleum
Answers
Explanation:
Advantage of Coal :
It is used as a primary Energy Source.
It create lot of jobs.
It is an expensive energy source.
It is used by many of them in various parts of the world.
Independent of weather.
It overcome the dependence of the oil.
Answer:
The advantages of petroleum are as follows:
- Petroleum has high density; one kilogram of oil can generate 10,000 kcal of energy.
- It is in liquid form and can be transported through various pipes and vehicles.
- It has broad area of applications as a source of energy. Some of these are:
a) It is used as a fuel. Its fuel derivatives include ethane, diesel, gasoline, jet fuel, kerosene and L.P.G. By providing lubricant and a compact and convenient fuel, petroleum plays a major role in transportation on land, on sea and in the air.
b) petroleum after refining is used for the production of various petrochemical products like synthetic rubber, synthetic fibre, polysterene, PVC, phenol, gasoline, carbon black, printing ink, film photography, cosmetics, paints,varnishes, lubricant oil, and paraffin wax.
c) Petroleum is used for power generation. In India, it is confined to the use in a few thermal stations which are located close to oil wells and refineries and also in diesel and gas turbine stations.
The advantages of coal are as follows :
- Coal is used as a source of power for running machines, trains, ships and dynamos.
- Coal is used for manufacturing iron and steel.
- Coal is used as a source of direct heat and energy for domestic purposes, in the potteries and for building materials like cement, burning of bricks and tiles and in iron and brass foundries, etc.
- A variety of chemicals such as ammonia, benzol, etc., are obtained as by-products from the gases which are given off when coal is burnt in a closed chamber to get hard coke or metallurgical coke.