Notes and Study material for Exams
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
Computer is an electronic device that is designed to work with Information. term computer is derived from the Latin term‘computare’, this means to calculateor programmable machine. Computer cannot do anything without a Program. It represents the decimal numbers through a string of binary digits. The Word ‘Computer’ usually refers to the Center Processor Unit plus Internal memory. Charles Babbageis called the “Grand Father” of the computer. … 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
Development Of Railway, Industralization and constitutional development during British period Railway The British created the Indian Railways. They envisioned it, planned it, engineered it and instructed poor Indian laborers how to build it. There is a common misconception that the British “gifted” India the Railways. Nothing could be more wrong. The British … Read more
Infrastructure AND SPECIAL ECONOMIC MEASURES The Central Government shall take all necessary measures as enumerated in the Thirteenth Schedule for the progress and Sustainable Development of the successor States within a period of ten years from the oppointed day. The Central Government shall take appropriate fiscal measures, including offer … Read more
Issues Of Finance, ownership, operation and maintenance of all kinds of Foreign Direct Investment under automatic route in the construction development sector. High capital intensity, low operating cost, higher gestation period, near absent risk mitigation measures, difficulties in getting Environment clearance, inability to generate direct adequate income streams to selffinance are some of the challenges … Read more
Quick revision Topic: Corrosion and its prevention Definition: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Generator is a machine that converts mechanical energy into electrical energy. It works based on principle of faraday law of electromagnetic induction. The faradays law states that whenever a conductor is placed in a varying Magnetic Field, EMF is induced and this induced EMF is equal … Read more
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
The 73rd and 74th Constitutional Amendment Acts, 1992, which gave Constitutional status to Panchayati Raj institutions (PRIs) and Urban Local Bodies (ULBs) respectively, in both letter and spirit in order to bring about greater decentralisation and increase the involvement of the community in planning and implementing schemes and, thus, increase accountability. The Amendments left important … Read more