Christian Libby 2nd hour Auto Tech 1 Tech Report on Diesel Exhaust Fluid Diesel trucks could be run with a lean air-to-fuel ratio‚ to ensure the full combustion of soot and to prevent the exhaust of unburnt fuel. The excess of oxygen necessarily leads to nitrogen oxides (NOx)‚ which are harmful gases‚ from the nitrogen in the air. Selective catalytic reduction (diesel exhaust fluid) is used to reduce the amount of NOx released into the atmosphere. Diesel exhaust fluid (from a separate DEF tank) is injected
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Unstoppable 5‚000 Years Ago Part One Jaron of Sparta walked among the shattered bones of his enemies‚ as their blood slowly tainted the sand. All of his men had been slain by the Roman legion. They fought well‚ may their souls rest in peace knowing that they served their king well. As Jaron walked throug¬h the city he saw the coliseum he said “Sick people‚ killing for their amusement” he continued walking through the city‚ he walked over to an olive tree‚ drew his sword‚ then he said “ I never
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COMBUSTION ENGINES 6.1 Introduction Perhaps the best-known engine in the world is the reciprocating internal combustion (IC) engine. Virtually every person who has driven an automobile or pushed a power lawnmower has used one. By far the most widely used IC engine is the spark-ignition gasoline engine‚ which takes us to school and work and on pleasure jaunts. Although others had made significant contributions‚ Niklaus Otto is generally credited with the invention of the engine and with the
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A vision for 20 years: the learning society 1. Our title‚ Higher Education in the learning society‚ reflects the vision that informs this report. Over the next 20 years‚ the United Kingdom must create a society committed to learning throughout life. That commitment will be required from individuals‚ the state‚ employers and providers of education and training. Education is life enriching and desirable in its own right. It is fundamental to the achievement of an improved quality of life in the UK
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july 20‚ 2011 • no. 13 The Elephant That Became a Tiger 20 Years of Economic Reform in India by Swaminathan S. Anklesaria Aiyar Executive Summary A foreign exchange crisis in 1991 induced India to abandon decades of inward-looking socialism and adopt economic reforms that have converted the once-lumbering elephant into the latest Asian tiger. India’s gross domestic product (GDP) growth rate has averaged over 8 percent in the last decade‚ and per capita income has shot up from
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Why do many cars have a gearbox? Introduction Gearbox is an enclosed system of assembled gears that transmits mechanical energy from a prime mover to an output device. A gearbox can also change the speed‚ direction‚ or torque of mechanical energy.[1] Gearbox was invented in the 19th century and it is still being widely used today. In the early age and in some part of the world‚ gearbox is also known as transmission. Merriam-Webster defines transmission as: an assembly of parts including the speed-changing
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opinion‚ the world today is better than it was fifty years ago primarily due to technology‚ civil reform and medical breakthroughs. The technology of today is far more advanced. In 1960‚ computers were not household items‚ nor were cell phones‚ the internet‚ digital cameras/camcorders‚ DVD players‚ plasma television sets and GPS systems. It is clear that because of the increase in affordable household appliances‚ home life is easier now than it was fifty years ago. With the added efficiency‚ more time
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Diesel generator From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search [hide]This article has multiple issues. Please help improve it or discuss these issues on the talk page. This article relies on references to primary sources. (October 2008) This article contains instructions‚ advice‚ or how-to content. (September 2009) This article ’s tone or style may not reflect the encyclopedic tone used on Wikipedia. (October 2008) A Cummins diesel generator of 500kVA temporarily
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Give an account of the development of emotional expression from birth to age 20. What influences such expression at each developmental stage? 1500 words As human beings as we age and mature so do our emotions and expressions‚ how a baby reacts to a range of emotions compared to a 20 year old will be completely different. The Oxford dictionary of psychology defines emotions as; “Any short term evaluative‚ affective‚ intentional‚ psychological state‚ including happiness‚ sadness‚ disgust‚ and other
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Aircraft engine An aircraft engine is the component of the propulsion system for an aircraft that generates mechanical power. Aircraft engines are almost always either lightweight piston engines or gas turbines. Turbine-powered Turboprop A turboprop engine is a type of turbine engine which drives an aircraft propeller using a reduction gear. The gas turbine is designed specifically for this application‚ with almost all of its output being used to drive the propeller. The engine’sexhaust gases do
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