Notes and Study material for Exams
SAMADHAN Scheme On 26 January 2013, the Uttarakhand government had launched a portal for online registration of people’s complaints and their quick redressal. Launching the portal called “Samadhan” (solution), the thenUttarakhand Chief Minister Vijay Bahuguna described it as a step towards transparency. The CM assured the people that he will personally … Read more
What is Cropping? Cropping is the process of removing parts of an image to improve its composition or focus on a particular subject. It can be done manually or automatically, and it is a common technique used in photography, graphic design, and web development. Why Crop an Image? There are many reasons why you might … 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
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
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
DNA: STRUCTURE DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the … 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
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 xhours, then: … Read more
Sprinkler Irrigation: A Comprehensive Guide to Efficient Water Management Sprinkler irrigation, a widely adopted method for delivering water to crops, has revolutionized agricultural practices worldwide. This technique offers numerous advantages over traditional methods like surface irrigation, making it a preferred choice for efficient water management and maximizing crop yields. This article delves into the intricacies … 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