fired boiler has been developed for a wider application in the world steel industry. This low calorific value blast furnace gas‚ if not utilized‚ will diffuse into the atmosphere caused by environmental pollution and waste of energy. BFG system The combustion characteristics of firing blast furnace gas (BFG) individually or in combination with coke oven gas (COG) were investigated theoretically and experimentally. The theoretical results showed that at the same heat release rate under the operating conditions
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Wood char depths are one of many fire indicators that fire investigators utilize for determining the area of origin and cause of a fire. It was formally believed that the deeper the char the longer the fire had burned but this has since been proven to be false. Rapid fire spread is common place due to the synthetic materials used in modern furnishings found in most homes. Most firefighters can expect to encounter flashover or post-flashover conditions at the time of extinguishment because of modern
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burner a. Base to support the Bunsen burner so that it will not fall over. b. Gas Inlet helps to adjust the gas being produced. c. Barrel d. Collar e. Air ports/holes to control the amount of air let into the Bunsen burner for combustion. f. Needle valve g. Anfnlk h. Anf 3. Color of flame (closed air holes): Blue on the bottom and Orange on the top 4. Deposit on porcelain dish (closed air holes): Black 5. Deposit on porcelain dish (open air holes): None
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Burner Qualitative Data: Part 1: Turning the barrel counterclockwise makes the flame more blue and incorporates more oxygen into the flame (Figure 5). Turning the barrel clockwise fully makes the flame more red because it takes away oxygen in the combustion of the gas. Part 3: When we turned on the heat‚ the match did not light (Figure 6). There is a flame surrounding the match‚ but it is not lit. Figure 5: Turning the Barrel Figure 6: The Match is Unlit Burnt Index Card:
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up to 30% more efficient than older boilers‚ so the energy saving and the impact on your fuel bills can be significant. They achieve this high level of efficiency by removing the heat from the fuel it is burning and also cooling the products of combustion‚ which are normally wasted up the flue in conventional boilers‚ so much so that the water vapour in them turns into liquid. This happens at around 55°C. For a boiler to cool the flue products this much‚ it has to have a larger‚ more efficient heat
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do start. Bushfires are one of the most destructiveforces of nature. Firefighters risktheir lives each year to control andeventually extinguish them. Eventhough bushfires can occur naturally‚mainly as a result of lightning strikesand spontaneous combustion‚ most arestarted by the activities of people. Thisincludes cigarettes and matches beingcarelessly discarded‚ electricity cables‚sparks from machinery and tools‚ andburning off. Arson has been the causeof some of the worst bushfires. BUSHFIRESWHAT
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Module 1: Lesson 5 ASSIGNMENT (12 marks) Lesson 5 Assignment Part 1: Molar Heat Calculations (3 marks) 1. Calculate the molar enthalpy of the NaOH(aq) using the data obtained from this experiment. Show all your work. Answer: Specific heat capacity: 4.19 J/g∙°C 50.0 ml of 1.0 mol/L NAOH Initial temperature: 23.9 °C Final temperature: 32.9 °C Change in temperature: 9 °C Q = mc∆t = (80g)(4.19 J/g∙°C)(9°C) = 3016.8 J or 3.0168 kJ ∆rH = n∆rHm 3.0168 kJ = (0.05
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V. HAZADOUS WASTE TREATMENT PROCESS Presently‚ the hazardous waste treatment technologies are highly developed from the decade before due to the more environmental and ecosystem concerning. Moreover‚ hazardous waste not threaten only environment but also to human hygiene and health. However‚ one of the most dangerous hazardous waste is dichlorodiphenyltrichloroethane (DDT). Addition‚ DDT is used as a majority pesticide during agriculture revolution period‚ and also uses to regulate Malaria in developing
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Introduction “The Ontario Fire Code Article 2.6.3.4.” states open air burning shall not be permitted unless approved‚ or unless such burning consists of a small confined fire‚ supervised at all times‚ and used to cook food on a grill or barbecue." The term ’approved ’ means approved by the Authority Having Jurisdiction (AHJ) which is the local fire department. The Ontario Fire Code dose not regulate the barbequing on the balconies‚ however‚ some cities prohibit it. For example‚ city of Guelph
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Rapid Fire Progression Phenomena Brian J. Rocker Jr. American Military Institute Abstract Fire fighters are killed every year due to lack of knowledge on the job. This paper focuses on numerous studies that have been conducted on the lack of knowledge regarding enclosure fire behavior‚ to include: backdraft‚ flameover‚ and flashover. This paper‚ based off the National Fire Protection Association‚ (NFPA)‚ attempts to combine the many definitions and “truths” floating around about these such
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