Notes and Study material for Exams
Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in Conjunction with metallic materials. Why do metals corrode? Apart … Read more
Pipes and Cistern Inlet: A pipe connected with a tank or a cistern or a reservoir, that fills it, is known as an inlet. Outlet: A pipe connected with a tank or cistern or reservoir, emptying it, is known as an outlet. If a pipe can fill a tank in x hours, … Read more
Navigating the Labyrinth: A Comprehensive Guide to the Solid Waste Management Rules, 2016 The burgeoning population and rapid urbanization in India have led to an alarming increase in the generation of solid waste. This mounting waste crisis necessitates a robust and comprehensive framework for its management. The Solid Waste Management Rules, 2016 (SWMR 2016), a … Read more
Clay and PotteryPottery Work Clay and Pottery work is a fascinating and ancient art form that has been practiced by humans for centuries. Clay is a versatile material that can be used to create a wide variety of objects, from simple cups and bowls to intricate sculptures and works of art. Pottery is made by … Read more
The Foundation of a Healthy Environment: A Comprehensive Guide to Drainage Systems Drainage systems are the unsung heroes of our built environment, silently working behind the scenes to ensure the smooth flow of water and prevent its detrimental effects. From the intricate network of pipes beneath our streets to the sophisticated drainage solutions in our … Read more
Perfluorocarbons: A Persistent Threat to the Environment and Human Health Perfluorocarbons (PFCs) are a group of synthetic organic compounds characterized by the presence of carbon atoms fully bonded to fluorine atoms. Their unique properties, including chemical inertness, thermal stability, and low surface tension, have made them highly valuable in various industrial applications. However, these same … Read more
Combustion/Incineration Combustion is a chemical reaction that occurs between a fuel and an oxidizer, releasing heat and light. The most common type of combustion is the burning of fossil fuels, such as coal, oil, and natural gas. Combustion is also used in many industrial processes, such as the production of electricity and the manufacture of … Read more
Refining of ores Metallurgy Metallurgy Metallurgy is the process of obtaining metals from ores. It may be defined as the processes which are involved in the extraction of metals from their ores and then refining them for use are known as metallurgy. Steps of Metallurgy: Metals can be extracted from their ores by following processes: Enrichment of … Read more