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CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Theory
The CompTIA A+ defines a very specific workflow process to troubleshoot any problem on a system. These steps will help you mentally break down the steps to diagnose and repair a computer problem. This clip is from the chapter "Book...
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Community Services and Public Services
Dr. Forrester gives an overview of many of the jobs in her community, both public service and community service.
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Our Community Health Professionals
Dr. Forrester describes the different health care professionals in your community that provide you with care in an emergency.
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Exploring the Growth and Impact of Wind Farms in the UK
The video highlights the growing presence of wind farms in the UK, focusing on the Blacklaw wind farm near Edinburgh and the largest offshore wind farm in the Irish Sea. It discusses the technology behind these wind turbines, their...
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WARUM BRAUCHENAUTOS BRAUCHENDIFFERENTIALGETRIEBE?
Erfahren Sie, wie ein Differentialgetriebe funktioniert, offenes Differential, Sperrdifferential, gesperrtes Differential
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Simple LED circuit - basic electronics
How to design a simple LED circuit. Which resistor to use, How to calculate the resistor.
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Multi-LED circuit design - LED Parallel Circuits
Multi-LED circuit. How to design a circuit which uses multiple LED's or multi-colored LED's. We learn the basics in this video with full calculations to design electronic circuits.
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Liquid Level Switches Explained - Industrial Refrigeration Ammonia industrial engineering
Liquid Level Switches. In this video w're going to be looking at how and where liquid level switches are used within ammonia industrial refrigeration systems. We'll look at the main parts, the applications as well as the technology inside.
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HVAC On Off Control Basics
Learn how on, off control works for hvac systems and why they are used for basic controls of heating and cooling systems.
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How TXV works - Thermostatic expansion valve working principle, HVAC Basics vrv heat pump
In this video we take a look at how the thermostatic expansion valve or TXV works in a HVAC refrigeration system and the basic working principles that allow it to meter the flow of refrigerant into the evaporator of chillers and ac units.
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How Receptacles Work - The basic working principle explained grounding
How Receptacles Work. In this video we look at how receptacles work, the different parts, how to wire a receptacle, how to control a switched receptacle, split circuit receptacles as well as how the ground wire works.
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How Filter Driers Work - HVACR
Filter driers. In this video we look at filter driers in hvac refrigeration systems. This covers filter driers in air conditioning systems, heat pumps, when to replace filter driers, the main parts of a filter drier, how a filter drier...
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Evaporator Controller - EKE 400 Industrial Refrigeration industrial engineering
Evaporator control in industrial refrigeration engineering. In this video we look at how evaporators and controlled in industrial refrigeration systems, covering defrost, cooling, drip tray, valve stations, controller, liquid line, wet...
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Ductwork sizing, calculation and design for efficiency - HVAC Basics + full worked example
How to design a duct system. In this video we'll be learning how to size and design a ductwork for efficiency. Includes a full worked example as well as using CFD simulations to optimise the performance and efficiency.
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Circulating Pump Basics - How a pump works HVAC heating pump working principle
Circulating pump and heating pumps explained. In this video we look at circulating pumps used in hot water and heating systems to understand the main parts as well as how they work. We cover applications of circulating pumps, why they're...
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Chiller Types and Application Guide - Chiller basics, working principle hvac process engineering
In this video we look at chiller types and refrigerant compressor cooling technology within HVAC commercial refrigeration and provide an overview guide on when and where each chiller type is used. This covers air cooled chillers and...
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Centrifugal Pump Basics - How centrifugal pumps work working principle hvacr
Centrifugal Pumps - In this video we learn the basics of how centrifugal pumps work, the main parts of centrifugal pumps, how the electrical motor powers the pump impeller and how the impeller moves water in the HVAC system.
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Basic HVAC Controls - learn hvacr
Learn the Basics of HVAC controls in this video on HVAC control basics. Covering heating and cooling system from switches, sensors and control strategies. Danfoss has made it easy to match the right on/off, modulating, or digital...
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AC Voltage Calculation - Vrms Vmax Frequency
Learn how AC voltage varies with AC since wave and how to calculate the Vrms root mean squared, vmax, peak voltage, the frequency and voltage of different countries.
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What's inside a Thermal Expansion Valve TXV - how it works hvac
Whats inside a thermal expansion valve and how the thermostatic expansion valve or TXV works in a HVAC refrigeration system and the basic working principles that allow it to meter the flow of refrigerant into the evaporator of chillers...
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Thermostatic Radiator Traps - Steam heating HVAC
Thermostatic radiator traps are used in steam heating systems. They are installed in 2 pipe steam heating systems, to prevent steam passing through and returning to the boiler. We cover the basics of a steam heating system, the boiler,...
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Single Phase Electricity Explained - wiring diagram energy meter
Single phase electricity explained. In this video we learn electrical engineering basics by learning single phase meter wiring diagram. How electricity reaches our homes from the power station, transformer, transmission lines,...
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PICV Explained - Pressure Independent Control Valves
PICV Pressure Independent Control Valves, in this video we learn how PICV's work, where we use PICV's, what they look like, the basic working principles behind them to help you learn mechanical engineering.
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HVAC Heat Exchangers Explained The basics working principle how heat exchanger works
HVAC Heat Exchangers. In this video we'll be answering what is a heat exchanger, how does a heat exchanger work and then using 3D models we'll review real world applications to help you learn HVAC heat exchangers and building services.....