By Elvire Fernande. Engine Wiring. Publised at Sunday, October 01st 2017, 03:36:53 AM. Building on that work, in 1864 two German engineers named Nicolaus August Otto and Eugen Langen founded a company that made engines similar to Lenoir’s model. Otto gave up managing the company and started working on an engine design that he had been toying with since 1861. His design led to what we now know as the four-stroke engine, and the basic design is still used in cars today.
By Sebastien Abel. Electrical Wiring. Publised at Tuesday, March 20th 2018, 15:24:41 PM. Join the bare copper (or green insulated) ground wires together first. If the box is metal, add a pigtail—a 6-inch length of the same type of ground wire—to the ground wire connection, then connect the loose end of the pigtail to the ground screw on the box. Join the white (neutral) wires together, then join the black (hot) wires together. If there are red (hot) wires, join them together. Confirm that all wires are secure by gently tugging on each wire.
By Marthe Mathilde. Electrical Wiring. Published at Monday, March 19th 2018, 06:01:16 AM. Turn off the power to the circuit you'll be working on by switching off the appropriate circuit breaker in your home's service panel (breaker box). Test all of the wires you'll be working on with a non-contact voltage tester. The test should confirm that no voltage is present in any of the wires.
By Elvire Fernande. Electrical Wiring. Published at Monday, February 05th 2018, 04:05:40 AM. 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 Faustine Arnaud. Electrical Wiring. Published 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 Elvire Fernande. Electrical Wiring. Published at Sunday, February 04th 2018, 19:44:29 PM. Install a cable clamp for each cable, as needed. Standard plastic electrical boxes do not have knockouts and contain internal cable clamps. Metal boxes may have internal clamps; if yours does not, install a locknut-type clamp for each cable. Insert the threaded end of the clamp through a knockout hole and secure the clamp inside the box with the nut. Tighten the nut with pliers.
By Sebastien Abel. Electrical Wiring. Published at Sunday, February 04th 2018, 05:32:41 AM. The long thick cables of transmission lines are made of copper or aluminum because theyhave a low resistance.
By Morgane Seraphine. Engine Wiring. Published at Saturday, February 03rd 2018, 14:07:38 PM. Automakers are improving fuel economy by exploiting a new controls approach that uses the waste heat from vehicle engines. Currently, up to 65% of the heat energy produced in internal combustion engines, whether gasoline or diesel, is wasted. Typically, the powertrain or engine dissipates the heat by convection, where it is carried to the cooling circuit or lost out of the tailpipe in exhaust gases.
By Thibault Margaux. Engine Wiring. Published at Saturday, February 03rd 2018, 05:06:41 AM. Low-temperature combustion processes are of significant interest due to very high thermal efficiencies with significant reductions in many criteria pollutants. As mentioned above, LTC has been a challenge due to the state of technology: unlike conventional spark-ignition and compression-ignition combustion modes, most LTC modes are kinetically controlled and hence much more sensitive to environmental conditions and ever-changing speed/load demands. Recent advances in enabling technologies such as fuel injection systems, turbomachinery, valve actuation, sensors, and onboard computers have led to new real-time control opportunities which are enabling the potential of LTC engines with production-viable hardware.
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