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Materials Used for Heating ElementAn electric heating element is a device which converts electrical energy input into heat energy output. No single element, metallic or non-metallic, is used for designing the heating elements. Different alloys have been tried to obtain different temperature. The various heating alloys are given as follows −The alloys commonly used for low and medium temperature services are −Alloy of Nickel and Chromium, where Ni = 80 % and Cr = 20%. The Ni-Cr alloy is suitable for temperature up to 1200 °C.Alloy of Nickel, Chromium and Iron, where Ni = 65%, Cr = 15% and Fe ... Read More
The internet has never been a perfect world, and it is only growing riskier. Hacking, data breaches, and privacy catastrophes are all too prevalent. Many people are moving to virtual private networks (VPNs). But what precisely is a virtual private network (VPN)? Why do individuals utilize them in the first place? Is it even necessary to use a VPN? Most individuals are aware that connecting to public Wi-Fi networks without protection is generally not a good idea. Bad actors abound on the internet, waiting to take advantage of such an opportunity. Most of the time, you'd get away with it.Isn't ... Read More
Induction Heating FurnaceAn electrical furnace in which the heat is produced by induction heating of metal, is called the induction heating furnace. The induction heating furnaces have the capacities range from less than 1 kg to 100 tons and are used to melt various metals like iron, copper, aluminium, etc.Indirect Core Type Induction FurnaceThe indirect core type induction furnace works on the principle of Faraday’s law of electromagnetic induction (mutual inductance). The schematic of an indirect core type induction furnace is shown in the figure below.In this type of induction furnace, a heating element is heated by induction, which transfers ... Read More
It's reasonable to assume that by now, most of us have a basic idea of what the Internet of Things is and why it's so important to how our everyday objects function.Today, owing to the internet of things, we can turn everyday objects into nodes in a vast and powerful system built on unrestricted information flow. This has resulted in a world that is considerably more tightly connected in terms of data and connection. We can now attain efficiency, connection, communication, and economic levels that were virtually unthinkable only a few years ago. But the best part is still to ... Read More
Indirect Arc FurnaceAn electric arc furnace in which the heat is produced by striking the arc between two electrodes and then transferred to the charge to be heated is called an indirect arc furnace.In an indirect electric arc furnace, the electric arc does not come in contact with the charge but heat is transferred through radiation from the electric arc to the top surface of the charge and through conduction from the top surface to the bottom layer in the charge.Construction and WorkingThe construction of the indirect arc furnace is shown in the figure. The figure shows a rocking arc ... Read More
Mental health is an important component of total well-being and good health. According to the World Health Organization, "mental health is a state of well-being in which an individual recognizes his or her own talents, can manage with the normal demands of life, can work effectively, and can contribute to his or her community. If a person is not mentally healthy, he or she may have a variety of problems or acquire mental diseases or disorders, which can be fatal.We can make better decisions and judgments when we have good mental health. It is critical for happy relationships and mental ... Read More
Eddy Current HeatingWhen the heating of the charge is done by the induced eddy currents in charge, it is known as eddy current heating.To heat the charge by eddy current heating process, the charge is placed inside a current carrying coil. The current is the high frequency alternating current. For this reason, this method is also called the high frequency eddy current heating. The alternating magnetic field produced by the coil sets up eddy currents in the charge to be heated. Consequently, the charge gets heated-up. The coil used for creating the magnetic field is known as heater coil or ... Read More
Facebook Marketplace is exploding, with over one billion monthly users. Everything from baby cots to Gucci bags may be found locally at a reasonable price. Many Facebook Marketplace users are genuine individuals offering genuine goods. Unfortunately, con artists posing as legitimate consumers and merchants abound. You must protect yourself from the most typical Facebook Marketplace scams, whether you're trying to purchase or sell. We'll go through why Marketplace has become such a tempting target for scammers, how to spot the most typical scams, and how to purchase safely without worrying about losing your time, money, or things in this article.Why ... Read More
Users may notice a little slowdown in their internet connection after using a VPN. This is rather common, but why does it occur?This post will explain why VPNs slow down the internet and which services you should look into if you want to avoid losing data. A VPN is a must-have tool for everyone who values privacy and unfettered Internet access, yet some individuals may find it inconvenient due to slower connections. This article discusses why your VPN speed may be slowing down and how you may improve it.Why do VPNs cause the internet to slow down?To comprehend why VPNs ... Read More
Electric Resistance FurnaceThe resistance furnaces or ovens are the insulated closed chambers with a provision for ventilation. The resistance furnaces or ovens are used for heat treatment of metals, commercial or domestic heating, pottery work, etc.The different elements of the furnace can be energies from DC or AC supply of the rated voltage. The star-delta formation provides a wide variation of the temperature.In case of batch type resistance furnace, the charge is inserted in the furnace. The figure shows a typical batch type resistance furnace. Here, it is heated for a specific time at a specific temperature and then removed. ... Read More