Sulfur dioxide, SO2, is a colorless gas or liquid with a strong, choking odor. It is produced from the burning of fossil fuels (coal and oil) and the smelting of mineral ores (aluminum, copper, zinc, lead, and iron) that contain sulfur. In nature, volcanic eruptions can release sulfur dioxide into the air.
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The volume of waste from processing coal can be substantial; 35 ... Shortterm Energy Outlook Report Coal [4] Energy Information Administration. February 10, 2016. mining and exploration investment declined 35% in 2015 [5] Energy Information Administration. July 7, 2015.
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These solutions cover important concepts in different patterns like MCQs and short answer questions, worksheets and more and help you top score good marks in the exam. ... As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Question 4: Fill in the blanks. (a) Fossil fuels are ...
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Free download in PDF Mining Engineering General Knowledge Multiple Choice Questions(MCQs) Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
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Coal and Petroleum Class 8 Extra Questions Very Short Answer Questions. Coal And Petroleum Class 8 Extra Questions Question 1. Name some renewable sources of energy. Answer: Water, wind, solar. ... Question 9. The process of conversion of wood into coal is called (a) carbonisation (b) catagenesis (c) carboniferous (d) none of these.
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Engineering Chemistry Questions and Answers Coal 1. This set of Engineering Chemistry Multiple Choice Questions Answers (MCQs) focuses on "Coal 1". 1. What is the time required for the formation of young brown coals? a) 10 7 years. b) 3×10 8 years. c) 3×10 9 years.
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UNIT 1: COAL AND PETROLEUM PROCESSING. Coal and Petroleum are defined as follows: Coal is a natural black mineral which is a mixture of free carbon and compounds of carbon containing hydrogen, nitrogen, oxygen and sulfur. Petroleum is a complex mixture of saturated hydrocarbons mainly alkanes (paraffins) and cycloalkanes (naphthenes) with smaller amounts of alkenes and aromatics plus small ...
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Short Answer. Expert verified. ... or barges for transportation to coal processing plants or industrial locations. Transporting coal can be a challenging and costly process, as it often requires the construction of new infrastructure, such as railways and ports. ... Most popular questions from this chapter. Chapter 9.
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Physical and chemical changes took place as a result of heat and temperature extracting out all oxygen leaving the plant layers with carbonrich content, thus resulting in the formation of coal over a period of time. Also, read Forests. Types Of Coal. Coal is a readily combustible rock containing more than 50% by weight of carbon.
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Coal is a black sedimentary rock. It usually occurs in coal beds found in coal mines. Coal comprises of carbon, hydrogen, oxygen, sulphur, etc. When dead plants and animals decay and convert into peat which in turn is converted into lignite, then subbituminous coal, after that bituminous coal, and lastly anthracite. Hence, coal is a fossil fuel.
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Question 1. Very short answer type questions: (i)Name two types of natural resources. (ii)Define the term "Carbonisation". (iii)Which type of coal is also known as black lignite? (iv)In which process coal is heated up to 1000°C in the absence of air to form useful components? (v)Which component is a mixture of hydrogen, methane, carbon ...
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Industries Class 8 MCQs Questions with Answers. Question 1. With limited capital, a food processing unit is set up in a particular village in Gujarat. This unit generates employment to that particular village. Name the type of classification of industry under which this food processing unit will come under. Question 2.
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(c) The black, thick liquid with an unpleasant smell is known as coal tar. (d) During the processing of coal to get coke, coal tar and coal gas are also obtained. (e) The process of separating the various constituents of petroleum is known as Fractional Distillation. (f) Excessive burning of fossil fuels is a major cause of Global Warming.
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Coal and Petroleum Class 8 Extra Questions Very Short Answer Questions. Question 1. Name some renewable sources of energy. Water, wind, solar. Question 2. Give some examples of fossil fuels. Coal, petroleum, natural gas. Question 3. Name the elements present in coal.
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Practice MCQ Questions for Class 8 Science with Answers on a daily basis and score well in exams. Refer to the Coal and Petroleum Class 8 MCQs Questions with Answers here along with a detailed explanation. Coal and Petroleum Class 8 MCQs Questions with Answers. Choose the correct option.
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As grate moves along the length of the furnace, the coal burns before dropping off at the end as ash. Some degree of skill is required, particularly when setting up the grate, air dampers and baffles, to ensure clean combustion leaving the minimum of unburnt carbon in the ash. The coalfeed hopper runs along the entire coalfeed end of the furnace.
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Coal and Petroleum Class 8 Extra Questions Short Answer Type 2. Question 1. Write any two uses of coke. Answer: Two uses of coke are : ... The coal gas is used as a fuel ip the coal processing plant and in many industries situated near the coal processing plants. (ii) Earlier it was used for lighting but nowadays it is used as a source of heat. ...
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The LFC process consistently produced 250 short tons/day of PDF and 250 barrels/day of CDL from 500 short tons of runofmine coal per day. The PDF contains percent sulfur with a heat content of 11,100 Btu/lb (compared with percent sulfur and 8,300 Btu/lb for the feed coal) [ 1 ].
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Coal is an abundant natural resource that can be used as a source of energy, as a chemical source from which numerous synthetic compounds (, dyes, oils, waxes, pharmaceuticals, and pesticides) can be derived, and in the production of coke for metallurgical is a major source of energy in the production of electrical power using steam generation.
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Answer: Coal when processed in industry gives coke, coal tar and coal gas. Coke is used in the manufacture of steel and in extraction of many metals. Coal tar is used as starting material for manufacturing various substances such as synthetic dyes, drugs, explosives, perfumes, paints, etc. Coal gas is used as a fuel.
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The coal industry serves a vital role in the nation's economy by producing fuel for more than half of its electricity. Despite the industry's importance, industry financial data for 2005—the strongest year for the coal industry in recent years—shows that it is a relatively small industry with revenues totaling 20 billion to 25 billion and net income between 1 billion and 2 ...
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Ans. Coal is a black or brownishblack sedimentary rock that is primarily composed of carbon. It is formed from the remains of vegetation that lived and died millions of years ago. Over time, the vegetation was buried and subjected to high pressure and heat, which transformed it into coal. 2.
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Dec 13, 2018. Answer. According to a research the groundwater quality decreases with flowing through abandoned coal mines often has depressed pH levels and elevated hydrogen ...
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outside the mining area for placement and storage. In the Midwest, where the surface topography and coal seams are generally flat, it is common to employ area strip mining in which the fragmented overburden is placed directly by large draglines in the space created where coal has been mined ().In some situations in the eastern United States, a coal seam occurring near the top of mountains is ...
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Answer: Coal when processed in industry gives coke, coal tar and coal gas. Coke is used in the manufacture of steel and in extraction of many metals. Coal tar is used as starting material for manufacturing various substances such as synthetic dyes, drugs, explosives, perfumes, paints, etc. Coal gas is used as a fuel. chevron right.
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Here you can get Class 8 Important Questions Science based on NCERT Text book for Class 8. Science Class 8 Important Questions are very helpful to score high marks in board exams. Here we have covered Important Questions on Coal and Petroleum for Class 8 Science subject. Very Short Answer Questions. 1. Write the names of two natural substances.
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All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 8 Science Coal And Petroleum Chapter 5 NCERT Solutions for Class 8 Science Coal And Petroleum Chapter 5 The following is a summary in Hindi and English for the academic year . ... In this process coal tar and coal ...
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We get Naphthalene ball from coal tar. Answer. 6. A good fuel must leave very little ash after burning. Answer. 7. Petroleum is found in pure form under the sedimentary rocks. Answer. We hope the given NCERT MCQ Questions for Class 8 Science Chapter 5 Coal and Petroleum with Answers Pdf free download will help you.
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Basic Coal Preparation for Plant Operators. The course is presented over a period of 7 weeks, 2 days per week, and consists of theoretical as well as practical training. The course is mainly aimed at training plant operators in all basic principles of mineral processing. It provides plant operators with the necessary skills to master all ...
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Short Answer Type Question Answers. Ans. 1. ... Thus, formation of coal is a long drawn process spread over various periods. Ans. 7. Nuclear energy is expected 10 play an increasingly important role in India clue to the following reasons (i) India has limited reserves of coal and petroleum. Nuclear energy minerals like Thorium are found in ...
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The course is aimed at more senior mineral processing personnel, and provides the student with a wider and more advanced scope regarding Coal Preparation and utilisation in general. It also prepares the student to play a more meaningful role in the management of the ore beneficiation environment. It is presented during four 3week study schools ...
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1. Coal and petroleum processing Read online for free.
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Due to natural process the forests get buried under the soil and got compressed. Due to the change in temperature dead plants got converted into a fossil called coal. ) Fill in the blanks. The slow process of conversion of dead vegetation into coal is called carbonisation. Coal gas is obtained during the processing of coal to get coke.
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