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Free research essays on topics related to: valve

42 results found, view free essays on page:

  • Combustion Chamber Spark Plug
    856 words
    Engines are found all around our very day lives. They are found in our cars, trucks, vans and motorcycles. Almost all vehicles run on the basic combustion engine. An internal- combustion engine is any type of machine that gets mechanical energy from the expenditure of the chemical energy of fuel burned in a combustion chamber. There are four main types of internal- combustion engines, they are: the Otto - cycle engine, the diesel engine, the rotary engine and the gas turbine. The Otto-cycle engi...
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  • Graduated Cylinder Decimal Places
    849 words
    Closing the ports changed the color of the flame. Depending on the color of the flame is the combustion. When the flame was orange is had incomplete combustion, when the ports were closed and the flame turned blue, it had complete combustion which is wanted. Turning the needle valve at the bottom of the burner adjusted its height. A lower flame was needed more because it was more controlled and easier to work with, and using the needle valve accomplished this. When burning the evaporation dish, ...
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  • Compressed Air And Water
    702 words
    The goal of the following research is to demonstrate that Carlton & United Breweries (CUB) reduced energy and water consumption will not only protect their environment, but also earn and save them extra income. Brewing used to require about 25 litres of water per litre of beer, nowadays it requires only 4 to 5 litres , on the other hand, compressed air accounts about 10 % of electricity consumption in the industry . CUB needs to use cutting edge technologies, more preventive maintenance programs...
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  • Wall Street Journal U S News
    1,121 words
    The author of Dispensing With the Truth, Alicia Mundy, is the Washington bureau chief for Mediaweek and a contributing editor at Washingtonian magazine. She has written for U. S. News & World Report, GQ, Philadelphia Magazine, The Wall Street Journal, and The Washington Post. She is best known for her investigative report which originally broke the 1992 scandal revealing that top United Way executives were stealing money from the organization's accounts (Brown, 2001). Alicia Mundy is the winner ...
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  • Gas Chromatography Data Collection
    939 words
    Gas Chromatography Purpose: The purpose of the gas chromatography lab is to find out how different substances interact with the surface of a solid. Chromatography is a separation technique that depends on the relative distribution of the components of a mixture between a mobile phase and a solid stationary phase. Chromatography measures the tendency of a substance to interact with the surface of a solid or to remain in a mobile phase. When doing a chromatography lab the mobile phase has to be a ...
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  • Vena Cava Blood Vessels
    1,407 words
    The Circulatory System The circulatory system in anatomy and physiology is the course taken by the blood through the arteries, capillaries, and veins and back to the heart. In humans and the higher vertebrates, the heart is made up of four chambers the right and left auricles, or atria, and the right and left ventricles. The right side of the heart pumps oxygen-poor blood from the cells of the body back to the lungs for new oxygen; the left side of the heart receives blood rich in oxygen from th...
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  • Hydrochloric Acid Small Intestine
    580 words
    It is in the mouth, that the Thanksgiving feast begins its journey through the fabulous digestive system. It is here that the lips, cheeks and tongue, carefully position the food that the teeth will chew. This chewing process breaks up the food, this being a part of mechanical digestion. While the teeth grind up the turkey and tasty stuffings, the salivary glands begin emitting enzymes, these enzymes being contained in saliva. This saliva helps to dissolve some foods, and adds mucus to make the ...
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  • Wall Street Journal U S News
    1,086 words
    The author of Dispensing With the Truth, Alicia Mundy, is the Washington bureau chief for Mediaweek and a contributing editor at Washingtonian magazine. She has written for U. S. News &# 038; World Report, GQ, Philadelphia Magazine, The Wall Street Journal, and The Washington Post. She is best known for her investigative report which originally broke the 1992 scandal revealing that top United Way executives were stealing money from the organizations accounts (Brown, 2001). Alicia Mundy is the wi...
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  • Four Stroke Engine Piston Moves Gasoline
    302 words
    The four stroke engine is divided into three basic parts the intake stroke, compression stroke, combustion stroke and the exhaust stroke which all lead to the ability of the engine to get the car into motion and allow humans the ability to drive automobiles. The factors, which affect the automobiles ability to move fluently, are the concentrations, temperature, surface area and a catalyst, which are all present in order to have a smoothly running car. Cars are used everyday by billions of people...
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  • Liquid Nitrogen Degrees F
    890 words
    Since the beginning of time people have been trying new ideas for keeping things like food cold. Up until the early 20 th century ice was the best method for cooling perishable items, button we figured out a more efficient and affective way of keeping items cold. It was called the refrigerator. Soon after the introduction of the refrigerator we developed something called cryogenic freeing, which is freezing with very low temperatures. Cryogenic freezing is the study mater that is colder than tem...
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  • Input Output Centrifugal Force
    1,059 words
    The complexity of the mind has intrigued and inspired philosophers for as long as humanity. How does it work? This question is not answered by equations and such as most conventional problem solving machines. Our own thought processes can be used to explain input and output responses from our senses to our reactions to those senses. This particular function of the mind, input / output capabilities, is one complexity that can be compared and related to real world machines that function in such a ...
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  • Decided To Make Fort Worth
    1,172 words
    Introduction The first F- 16 was developed in 1974. They wanted a lightweight fighter that wouldn t cost as much as the fighters they had at the time. They also needed a way to have a bomber without going out and building another bomber which would cost millions more. So they decided to turn the F- 16 into a fighter / bomber and it all worked out. Here s how. The Lockheed F- 16 Fighting Falcon They F- 16 Fighting Falcon was developed and produced by General Dynamics Corp, until they went bankrup...
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  • Pressure Equals Force Divided Equals Force Divided Air
    745 words
    SCIENCE RECERCH PAPER Technology has had a big impact on our world. Today I am going to discus the influence of hydraulics and pneumatics. The basic principal in hydraulics and pneumatics is pressure equals force divided by area (P = F/A). Hydraulics make use of water like the hydraulic lift. Pneumatics makes use of air like the hovercraft for instance. INTRODUCTION The basic principle is pressure equals force divided by area. If the area is small than the pressure used will be less. If the area...
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  • Mclaren F 1 Front And Rear Mph
    298 words
    The McLaren F 1 is capable of 0 to 60 mph in 3. 2 seconds and a top speed in excess of 240 mph. This makes it the fastest production car in the world. During development work, McLaren driver Jonathan Palmer drove F 1 prototype XP 3 around Italy's 7. 5 mile Nardo test track at 231 mph. But for the tight nature of the track, the car could have gone even faster. Early in 1998 this record was broken at Volkswagons test track with a recorded speed of 241 mph. Powering the McLaren is a quad cam, 48 -v...
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  • Birth Defects Blood Pressure
    687 words
    Marfan Syndrome is an autosomal dominant disorder, affecting approximately one in ten-thousand people. Its affects both males and females equally, and is equally prevalent in all races. About one in four affected individuals are the result of new mutations, however in most cases the syndrome is inherited from one parent with the disorder. In 1991 the cause of Marfan Syndrome was traced to a defective gene on chromosome 15. This gene, with normal functioning, tells the body to produce fibrilla, a...
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  • Childhood Sexual Abuse Percent Of People
    1,662 words
    You become terrified for no apparent reason; your heart feels as though it will beat right out of your chest; you sense an overall feeling of doom and you get dizzy. Am I dying, or am I just crazy? If you are crazy, then so are 2. 4 million other people in the United States. Panic disorder, one of many anxiety disorders, is a serious and potentially debilitating illness. This illness is treatable, however, only one-third of those who suffer will actually be treated. What is panic disorder? Panic...
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  • Oil Filter Human Body
    1,002 words
    Oil changing Made Easy Changing the oil in your car every three thousand miles is about the single most important maintenance item you can do for your automobile. It is really very easy, takes approximately forty minutes, saves money and hassle over taking the car to someone else, and you have the satisfaction of knowing it was done correctly. Lubricating oil becomes contaminated by different matter (dust, water, fuel, swear, etc. ). Engine lubricating oil filters cannot be cleaned. The lubricat...
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  • Kilometers In Diameter Mitral Valve
    1,169 words
    Reading Response Researchers have now concluded that a heart defect, called mitral valve prolapse is not as dangerous as it was previously pronounced. The defect is far less common and dangerous, only effecting about 5 percent of Americans. The syndrome, which is caused by the mitral valve flaps becoming elongated and floppy, letting blood flow backwards into the heart chamber. The defect may require surgery to prevent sudden death, stroke, heart failure, and abnormal heart rhythms that cause fa...
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  • Bottom Of The Ocean Plane Crash
    1,929 words
    SPHERE is a Sphere Sphere SPHERE is a great unpredictable and exciting novel. The transformations between Introduction, Rising Action, Climax, and the Summary is almost perfect. As the wire snagged something the crew laying the cable on the bottom of the Pacific Ocean realized they had a problem for their were no shipwrecks on the chart. They told someone and this went up the corporate line of command and soon the military found out that their was something on the bottom of the ocean and that th...
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  • Scuba Diving Basic Principles
    909 words
    This Essay will illustrate some of the basic aspects of scuba diving. It will show the steps involved in assembling the scuba gear. The price range of scuba gear. The basic principles of diving, and were to go to get certified in scuba diving. It will also reveal some fun things that can be done while diving. The assembly of the scuba gear is very simple. First have your tank filled to the recommended amount of pressure (usually 3000 psi). Take the tank with the valve handle to the right, and se...
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