Types of liquid fuels Primary liquid fuels or Natural liquid fuels Secondary liquid fuels or Processed liquid fuels Petroleum Its colour, consistency and composition vary from place to place. It mainly contains aliphatic...
Tag - Chemistry
Coke Coke is formed by the destructive distillation of coal in coke oven. When bituminous coal is heated strongly in the absence of air, coke is formed. It is a white lustrous, dense, strong, porous and coherent mass. The process...
Coal Coal has been formed in nature as a result of the slow decomposition of vegetable matter. Plants get converted into coal, deep below the surface of the Earth, under the influence of heat, pressure and limited supply of...
Solid Fuels Types of solid fuels Primary solid fuels or Natural solid fuels Secondary solid fuels or Processed solid fuels Coal Vegetable matter is converted into coal. Various stages of transformation are as follows:...
Ultimate analysis Ultimate analysis is carried out in order to determine the percentage of carbon, hydrogen, nitrogen, sulphur and oxygen in the coal. This is useful in combustion calculation. (i) Carbon and hydrogen Carbon and...
Introduction Fuel is a combustible material, which on burning produces larger amount of heat energy. Fuel + Oxygen → Products + Heat C + O2 → CO2 + 94°k cal Heat energy is the main source of power. The reactions are...
Manufacture of glass The manufacture of glass may broadly be divided into the following five stages: Collection of raw materials. Preparation of batch. Melting in furnace. Shaping or forming Annealing. Finishing. (1) Collection...
Types of glasses The following types of glass are discussed in brief. 1.Soda lime or soft glass or commercial glass Raw materials: It is a mixture of silica (sand), calcium carbonate and soda ash. Composition Na2O CaO...
Special cement Water-proof cement (hydrophobic cement) This type of cement is prepared by mixing with ordinary or rapid hardening cement a small percentage of some metal stearate ( Ca, Al etc.) at the time of grinding. This...
The various constituents of glass and their functions are described below: Silica: It is the principal constituent of glass. If silica alone is used in the manufacture of glass, it could be fused only at a very high...
