By Faustine Arnaud. Electrical Wiring. Publised at Sunday, February 04th 2018, 20:10:14 PM. If you're using a metal box, remove a knockout on the box for each cable that will enter the box. Use a screwdriver and hammer to break out each knockout (metal disc), then twist off the knockout with pliers.
By Claudette Alice. Electrical Wiring. Publised at Sunday, July 30th 2017, 07:19:56 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 Claudette Alice. Engine Wiring. Published at Sunday, December 03rd 2017, 22:57:41 PM. The engine block is the foundation of an engine. Most engine blocks are cast from an aluminum alloy, but iron is still used by some manufacturers. The engine block is also referred to as the cylinder block because of the big hole or tubes called cylinders that are cast into the integrated structure. The cylinder is where the engine’s pistons slide up and down. The more cylinders an engine has the more powerful it is. In addition to the cylinders, other ducts and passageways are built into the block that allow for oil and coolant to flow to different parts of the engine.
By Manon Marianne. Engine Wiring. Published at Saturday, December 02nd 2017, 18:10:14 PM. The group found that using the waste heat with optimal controls consistently delivered higher oil temperatures and significantly reduced warm-up times. This translated to fuel economy improvements of almost 4% compared to conventional thermal management strategies. The largest efficiency gains occur while heating oil from a cold start, and approximately half of the improvement comes from the powertrain and transmission sides.
By Faustine Arnaud. Engine Wiring. Published at Saturday, December 02nd 2017, 16:32:22 PM. A joint team from Chrysler and the Center for Automotive Research at The Ohio State University recently developed a practical approach to maximizing drivetrain efficiency and reducing fuel consumption and carbon dioxide emissions. Together, engineers in industry and research, along with students, determined how to capture and effectively distribute the useful heat energy to the transmission and engine oils from a controls standpoint, requiring additional hardware such as a transmission heat exchanger and associated plumbing, and new software. Higher temperature oil is less viscous, so less torque is required for operation and the transmission and engine can operate at higher mechanical efficiencies.
By Faustine Arnaud. Electrical Wiring. Published at Friday, December 01st 2017, 15:47:08 PM. High voltage transmission lines carry electricity long distances to asubstation. From this substation, electricity in different power levels is used to runfactories, streetcars and mass transit, light street lights and stop light, and is sent toneighborhood. When electricity enters "example house", it must pass through a meter andgoes through a fuse box. The fuse box protects the house in case of problems. When afuse "circuit breaker" ³blows´ or ³trips´ something wrong with an appliance or somethingwas short circuited.
By Thibault Margaux. Engine Wiring. Published at Thursday, November 30th 2017, 14:59:04 PM. 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 Sebastien Abel. Engine Wiring. Published at Wednesday, November 29th 2017, 14:28:15 PM. The cylinder head is a piece of metal that sits over the engine’s cylinders. There are small, rounded indentations cast into the cylinder head in order to create room at the top of the chamber for combustion. A head gasket seals the joint between the cylinder head and cylinder block. Intake and outtake valves, spark plugs, and fuel injectors (these parts are explained later) are also mounted to the cylinder head.
By Olivier Danielle. Electrical Wiring. Published at Tuesday, November 28th 2017, 10:50:34 AM. It is critical in any wiring project that you match the gauge of the wire with the amperage rating of the circuit. Failing to do so can lead to a fire. A wire's gauge is the physical size of the wire, but the scale is opposite of the wire's circumference. This means that a 2-gauge wire is actually larger than a 14-gauge wire. The size determines how much current can pass through, so the larger wires will be used for your heavier loads.
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