By Thibault Margaux. Engine Wiring. Publised at Thursday, August 31st 2017, 05:12:03 AM. Even the most efficient and robust engine technologies will never make it to market without the vehicle system meeting emissions regulations. But this is not the first instance where significant emissions control advances were needed to transition a combustion technology to market. Advances in catalyst technologies more than 40 years ago were critical to meeting emerging emissions regulations; the effectiveness of catalysts for conventional spark-ignition engines has since improved by a factor of 100 while achieving a substantial reduction in expensive platinum group metals. Meeting the new challenges is a very active area of research at ORNL and other U.S. Department of Energy national laboratories, as well as in industry.
By Olivier Danielle. Electrical Wiring. Published at Wednesday, January 31st 2018, 02:57:22 AM. Both GFCIs and AFCIs come with test switches and should be tested every thirty days. Testing a GFCI is straightforward: Press the “reset” button on the receptacle. Plug a lamp into the outlet and turn it on. The light should be on. Press the “test” button. The “reset” button should pop out and the lamp should turn off. Push the “reset” button once more; the lamp should turn back on. If the test does not work like this, the receptacle is faulty and should be inspected by a professional.
By Morgane Seraphine. Electrical Wiring. Published at Tuesday, January 30th 2018, 20:03:59 PM. Light switches are the other electrical installations you might want to handle yourself. The majority of these in homes are what is known as a 'single-pole switch.' They're just as easy to replace as an outlet. Somewhere in your home, you may come across an odd looking switch that makes you stop and wonder. It's likely that this is a three-way switch. They're a little more complicated and used when multiple switches control a single light.
By Elvire Fernande. Engine Wiring. Published at Tuesday, January 30th 2018, 18:25:31 PM. I’ll show you how the four-stroke engine works here in a bit, but before I do, I thought it would be helpful to go through the various parts of an engine so you’ll have an idea of what’s doing what in the four-stroke process. There is terminology throughout these explanations that relies on other terms in the list, so don’t worry if you get confused at first. Read through the whole thing to get an overall grasp, and then read it again so you have a basic understanding of each piece as it’s being talked about.
By Claudette Alice. Electrical Wiring. Published at Saturday, January 27th 2018, 13:36:29 PM. Before you begin your first DIY electrical project, you should learn a little about the wires you'll be working with. Wires vary greatly and each is designed for a purpose. The wiring in your home is chosen to accommodate the load it must carry as well as the conditions it will be exposed to. Some are designed for indoor use while others can be buried. Some are for your panel while others hook up your lights and outlets. It may be confusing at first, but you will probably deal with only a few types of wire in your home.
By Faustine Arnaud. Engine Wiring. Published at Saturday, January 27th 2018, 02:32:03 AM. But gas- and diesel-powered engines are not done yet. Just as electrified cars — whether hybrids or pure battery-powered models — seem headed for market dominance, Mazda announced a breakthrough in gasoline engines that could make them far more efficient. It is the latest plot twist in a century of improvements for internal combustion engines, a power source pronounced dead many times that has persisted nevertheless. Here is some truth-squadding on the latest in auto technology.
By Marthe Mathilde. Electrical Wiring. Published at Thursday, January 25th 2018, 01:51:19 AM. One of the main trends in the further industrialization of electrical installation work is the use of large-scale electrical engineering facilities, for example, the rooms of electric-drive control stations and of urban transformer substations. Such facilities are delivered by industry with the electrical equipment completely installed and adjusted. In this case, electrical installation work is reduced to the installation of such facilities and the connection of the facilities to external power networks.
By Morgane Seraphine. Electrical Wiring. Published at Thursday, January 25th 2018, 00:24:07 AM. Electricity distribution is the penultimate stage in the delivery (before retail) of electricityto end users. It is generally considered to include medium-voltage "less than 50 kV"power lines, electrical substations and pole mounted transformers, low voltage"less than 1000 V" distribution wiring and sometimes electricity meters.
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