Notes and Study material for Exams
National Energy Policy There are four key objectives of National energy policy: Access at affordable prices,Improved security and Independence, Greater Sustainability and Economic Growth. Considering POVERTY and deprivation in India, access to energy for all at affordable prices is of utmost importance. We are yet to provide electricity to nearly 304 million people, and clean … Read more
Introduction Power is one of the most critical components of Biomass. Renewable energy is a clean source of energy. It does not produce greenhouse gas emissions. However, renewable energy sources are intermittent. They do not always produce power when it is needed. The fuel-based industries are facing a number of challenges. These challenges … Read more
Iron and Steel Industry: Pig Iron Pig iron is the intermediate product of smelting of iron Ore with a high-carbon fuel such as coke and charcoal and is the basic raw material in Foundry and Casting Industry for the manufacture of various types of castings required for … Read more
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
Introduction Power is one of the most critical components of Biodiversity. Coal is a fossil fuel that is formed from the remains of ancient plants and animals. Coal is used to generate electricity, power industrial processes, and heat homes and businesses. Coal is a non-renewable … Read more
NATURAL Resources OF INDIA What are Natural Resources ? Natural resources are useful raw materials that we get from the Earth. They occur naturally, which means that humans cannot make natural resources. Instead, we use and modify natural resources in ways that are beneficial to us. The materials used in human-made objects are natural resources. Some … Read more
Azerbaijan Armenia conflict The Caucasus is a strategically important mountainous region in south-east Europe. For centuries, different powers in the region – both Christian and Muslim – have vied for control there. Modern-day Armenia and Azerbaijan became part of the Soviet Union when it formed in the 1920s. Nagorno-Karabakh was an ethnic-majority Armenian region, but … Read more
Preparation and properties of commonly used dyes Dye, substance used to impart colour to textiles, paper, leather, and other materials such that the colouring is not readily altered by washing, heat, Light, or other factors to which the material is likely to be exposed. Dyes differ from pigments, which are finely ground solids dispersed in … Read more
Inflation & Control Mechanism Inflation is a sustained increase in the general price level of goods and Services in an economy over a period of time. When the price level rises, each unit of currency buys fewer goods and services.It is the Percentage change in the value of the Wholesale Price Index (WPI) on a year-on … Read more