Air Pollution Chart |Issue |Sources |Health/Environmental Effects | |Carbon dioxide (CO2) |Combustion of fossil fuels like|Causes a reduction in the hemoglobin used by red bloods cells | | |gasoline and coal. On a lesser |to transport oxygen inside the human body. Increased exposure | | |volume‚ industrial mineral |can
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LESSON 05.01 Wood blocks- solid Hammer- solid Lightning- plasma Fluorescent light bulb- plasma Steam and helium filled balloon is gas Water from a faucet and swimming pool is liquid - Can be distinguished at the molecular level by how the particles are held together - The phase of matter is considered a physical property because a change in a substance’s phase does not change the chemical properties or identity of the substance. - The phases of matter are determined by the kinetic energy
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design‚ properties and functioning. Effect of various factors like seal balance‚ face pressure‚ temperature and lubrication on performance of seal and probable causes of seal leakage with their corrective action has also been described. Mechanical seals arrest the leak from shaft where it comes out of the casing. They work satisfactorily to seals almost any liquids‚ operate under full vacuum to 80 Bar pressure and temperature from 100 to 840oC. It can handle shaft speeds up to 3600 RPM and special
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may be in liters‚ mL‚ or cm3 • The temperature of a gas must be indicated on the Kelvin scale – Recall that K = °C + 273.15 • Amount of a gas is the number of moles Pressure • Pressure is force per unit area – In the English system‚ pounds per square inch or psi – Atmospheric pressure is about 14.7 psi Pressure Units SI: 1 pascal (Pa) = 1 kg m-1s-2 = 1N m-2 others: 1 bar = 105 Pa = 100 kPa 1 atm = 101.325 kPa = 1.01325 bar 1 atm = 760 torr = 760 mm Hg 1 atm = 14.7 lb/in2 KINETIC
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I. The Atmosphere - envelope of gases and tiny‚ suspended particles encircling the Earth A. Meteorology - study of the atmosphere and weather processes - studies of atmosphere involves many sciences B. Weather - the state of the atmosphere at a given time and place C. Climate - sum of all statistical weather information that helps describe a region Climatology - the study of climate D. The Scientific Method - means of discovering basic scientific principles 1. Pose
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the balancing of heat energy on Earth. Jet Streams: Earth’s weather is strongly influenced by atmospheric conditioned and events that occur at the boundaries between wind zones. On either side of these imaginary boundaries‚ both surface and upper-level air differs greatly in temperature and pressure. Remember that wind‚ temperature‚ and pressure are related. Differences in temperature and pressure cause wind. Therefore‚ a large temperature gradient in upper-level air should result in strong westerly
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The crew saw mud and gas pouring onto the floor of the rig. All the members of the crew instantly attempted to close the valve in the Blowout Preventer‚ which was intended to shut off the flow of high-pressure oil and gas from the well‚ but failed to seal the well because the drill pipe buckled for reasons that are still unknown. The crew could have redirected the flow of the mud and gas away from Deepwater Horizon and into the gulf‚ but instead they directed
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circulation of winds around a central region of high atmospheric pressure. Anticyclones appear on weather charts as a series of concentric‚ widely spaced isobars of 1000 mbs and aboThe anticyclone on the other hand is produced by a large mass of descending air. ve. Causes of anticyclones; 1. Poleward movement of high pressure cells – here‚ were the Hadley cell meets the Ferrel cell at 30°N or S the high pressure zone can move‚ creating high pressure in higher latitudes. In Britain this North African
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connected to a pressure gage through a double-U manometer. For a given reading of the pressure gage‚ 1. Determine the gage pressure of the gasoline line. 2. Determine the absolute pressure of the gasoline line. King Fahd University of Petroleum and Minerals Mechanical Engineering Department ME203 Thermodynamics Quiz # 1 (Term 072) Monday 17-3-2008 15 Minutes Student Name ID # B A gasoline line is connected to a pressure gage through a double-U manometer. The gage pressure of the gasoline
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of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L‚ what will the new pressure inside the piston be? • Read the problem and determine what is given and what is unknown? • Decide which law to use. • Substitute the values (given numbers) from the problem into the equation Given: P1 = 1.5 atm Unknown or find: P2 = ? = X V1 = 5.6 L V2 = 4.8 L Note: Since this problem involves two pressures and two volumes we will
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