The operation of the transformer and how it affects its noise. What is magnetostriction. Other Common Causes of Transformer Humming
Tools and equipment 2024, November
Long-burning wood-fired boilers are very efficient devices that will help you not only heat your home in winter, but also save money on space heating
If you are thinking about which source of heat to use in the winter in a house where there is no access to a gas main, you can pay attention to Russian long-burning pyrolysis boilers. Even if you have access to a gas supply line, the cost of fuel can be quite high. Using coal or wood is very inconvenient and electricity is expensive
When carrying out repair and construction work, it is very often necessary to destroy old partitions and walls, make niches and openings, make holes of various kinds, lay strobes, punch or destroy foundations, remove pieces of asph alt pavement, and much more. It is for such cases that a jackhammer can come in handy. Worth considering this device
A hand drill is a tool designed for drilling holes in various materials: wood, metal, etc. A drill is used in this unit, which is clamped with a special cartridge
"You must be born a carpenter" - this saying has come down to our times, and is still considered true. Properly processing a wooden blank is not possible for everyone, even with an electric tool. And even using the hand tool of a carpenter and even more so. An experienced craftsman, using his simple set, is able to make any masterpiece from an array. Let's take a closer look at what kind of carpenter's tool exists
Now you can have a picnic without leaving your apartment. To do this, you need a good company, a good mood and an electric barbecue. How to choose this device, what to look for when buying? Manufacturers offer many models and configurations
The article is devoted to power transmission towers. Materials for the manufacture of supports, varieties, as well as installation technology are considered
This article explores the role of water meters in saving the family budget. The main types of hot and cold water meters are considered. The stages for the installation and commissioning of water measuring instruments are indicated
Electric arc - an arc discharge that occurs between two electrodes or an electrode and a workpiece and allows you to connect several parts. The arc gap can be conditionally divided into three characteristic sections: cathode, anode, and the arc shaft. In this case, the last section, i.e. the arc stem has the greatest length, however, the characteristics of the arc, as well as the possibility of its occurrence, are determined precisely by the near-electrode regions
If you rely on the definition given in various dictionaries and encyclopedias, then a hydraulic structure is being built in order to rationally manage and dispose of water resources. At first glance, it may seem that there is a lot of water on the planet, and there is no need to deal with its distribution among consumers, but people have been dealing with this issue for several thousand years ago
Steel structures are very popular in the construction market, the use of which significantly saves time and money during construction. The high strength of steel makes the building being erected reliable and has a small mass and dimensions. A huge variety of design solutions and forms allows you to build structures for any purpose
A crane is a device with which you can lift and move loads of different weights. The main characteristic of any crane is its carrying capacity, that is, the maximum weight that it can lift. These mechanisms differ both in scope and design. Briefly consider the device of the main types of cranes
The article describes the main stages of the process of sharpening a twist drill for metal. Offers practical tips and ways to check the symmetry of the tool
The article offers an overview of models of waffle irons, reviews of their hostesses. From the material you can conclude how useful this device is
Motoblock "Zubr" is one of the most frequently purchased units by consumers. We will talk about it in more detail in the article
Today, almost every high-rise building has an intercom. Sometimes this device can fail. Why the intercom does not work and how to troubleshoot will be discussed in the article
The world famous Japanese concern "Yamaha" (Yamaha), distinguished by the quality and high reliability of its products, produces a very wide range of products. Among the most famous are Yamaha Enduro outboard motors, which find their admirers both among experienced boaters and among novice shipowners
The modern diesel engine is an efficient device with high efficiency. If earlier diesel engines were installed on agricultural machinery (tractors, combines, etc.), at present they are equipped with ordinary city cars. Of course, some people associate diesel with black smoke from the exhaust pipe. For some time it was, but now the exhaust system has been modernized
The mist slowly spreading along the bottom of the bowl, located right on the table, smoothly flowing beyond its borders and dissolving outside it like an unknown and magical substance, would surely surprise many. Few people know that such special effects can be easily reproduced in an ordinary city apartment, you just need to use a fog generator that can easily fit on a table and will not only create a fabulous atmosphere, but also “heal” the room
Steam convection ovens (combi steamers) are universal heating equipment, without which no industrial kitchen can do. Functionality, features and the most popular brands we will consider in this article
Cable is essential to the quality of television. The modern choice confuses not only ordinary users, but also professionals. If you are going to independently conduct a television cable in an apartment, carefully consider all the points, since after screeding the floor or closing the walls with drywall, it will be difficult to change anything. It is worth considering carefully how to connect a television cable, what footage is needed, whether the characteristic matches
When shooting in a brightly lit place, through glass windows or fences, objects on the surface of the water, a polarizing filter is useful. It is designed to smooth out imperfections and eliminate glare in photographs
In conditions of small-scale production, as well as in everyday life, external threads are cut using a special cutting tool - a die. That is why a universal die holder must have in its arsenal any sensible owner
What is a movable turning steady rest? This question can take by surprise only people who are far from the world of machine tools. Any turner (even a beginner) knows what this device is intended for. It should be noted that such devices are used not only in turning, but also in the processing of parts on milling, grinding and other machines. The article describes the characteristics of the movable steady rests for lathes, describes the features and scope of their application
Without water, a person can live no more than five days. Therefore, it is probably not worth telling how necessary this resource is. But the state of a person directly depends on the quality and purity of this source of he alth and strength. Many have encountered the fact that tap liquid smells like bleach or has any color. Therefore, the question of additional filtration arises in every family. But which filter and cartridges to prefer should be considered in detail
Mains voltage indicator is a device that allows you to determine the presence of current on the contacts. The main task of the device is to ensure the safety of the electrician. Depending on the indicator type, it can show both the presence of linear or phase voltage (between two contacts), and when in contact with one of the terminals. Also, such devices can be non-contact - such indicators are able to determine the presence of current even when it passes through hidden wiring in the wall
Discharge lamps are a great alternative to incandescent lamps. The article describes the advantages and disadvantages, as well as the classification of discharge lamps
Hand pumps serve as the heart of the entire suburban water supply system. That is why it is worth considering their main characteristics. Hand pumps at the moment can be of different types and models, and the choice will depend on what they are needed for: for water supply, circulation, drainage or other
When arranging or replacing plumbing communications, it is necessary to pay sufficient attention to the choice of pipes. This is one of the most important characteristics of such products. Before buying, you need to consider what are the diameters of water pipes and how their choice affects the performance of these products
Chainsaw is the most useful tool for gardening and logging. The efficiency of its work directly depends on the degree of wear and sharpness of the cutting elements. Chainsaw chain sharpening can be entrusted to a specialist. However, having studied the necessary information on this issue and having practiced a little, even a beginner can do this work on his own
One of the main characteristics is the size of the sand-lime brick. Today, three types of bricks are used, differing in this parameter
Bakelite plywood is a durable, resilient, water-resistant, wear-resistant material that is not inferior in quality even to low-alloy steel. All this is due to a special technology, which consists in impregnating birch veneer with bakelite glue at high temperature and under pressure
The first lasers appeared several decades ago, and to this day this segment is being promoted by the largest companies. Developers get all the new features of the equipment, allowing users to use it more effectively in practice
Polymer coating is an effective and reliable way to improve the performance properties of the metal and increase its protective qualities
Most modern cars are equipped with towbars. Tow hitches expand the possibilities of transport: facilitate the movement of heavy loads and facilitate the safe towing of other machines
During the operation of various life support systems, engines, devices in the cold season, a situation arises when a negative ambient temperature negatively affects the physical properties of the liquids that are inside them. For example, these are coolants that serve to prevent overheating of the mechanisms themselves or various coolants
The days when only incandescent lamps were used for lighting, popularly called "Ilyich's bulbs", have long gone. Today, in any department of electrical goods, in addition to the "classics", you can see a huge number of energy-saving, halogen and LED lamps, differing in power and size, shapes of flasks and cartridges
Control valves are devices that are constantly found in everyday life. They are widely used in water supply systems, as well as gas supply and heating. The valve mechanism is very easy to operate and has many varieties. Installing a control valve is a process that anyone can master
The use of a wide variety of heating sources today requires manufacturers to constantly improve their products so that their products are in demand. Ishma gas boilers are good enough and in demand. The manufacturer has a wide range of products