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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Short Answer Type Questions. Question 1: Write some uses of coal. Answer: Uses of coal: ... Many useful products; like coke, coal tar and coal gas; are made by processing coal. Question 2: What is coke? Answer: Coke is almost pure form of carbon, is tough, porous and black. Coke is used in manufacture of steel and extraction of many metals.
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Transporting coal Coal can be transported from mines and processing plants to consumers in several different ways: Conveyors, trams, and trucks move coal around mines, short distances from mines to consumers close to the mines, or to other modes of longdistance transportation. How does coal get out of the ground?
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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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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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Coal and Petroleum Class 8 Extra Questions Very Short Answer Type. 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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The process of peat getting buried under sediments and turning into coal continues as a cycle, as long as the conditions are suitable. This is why we see numerous layers of coal seams in certain sedimentary basins. Types of Coal. The process by which something changes under the effect of pressure and temperature is known as metamorphism in geology.
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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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Coal is a black or brownishblack sedimentary rock that can be burned for fuel and used to generate is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel in the United States.
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1. Coal and petroleum processing Read online for free.
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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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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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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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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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Long Answer Questions: (5 Marks) 22. Explain in detail the products of coal. Ans: Coal is processed in the industry to get some useful products such as coke, coal tar and coal gas. (a) Coke: Coke is almost a pure form of carbon. It is dark in colour.
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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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First, put vinegar and water in equal amounts and then run the boiler. This will swell the rusting from inside due to the steam formation and thus clean with hand by switching off the boiler. Q. How to bleed a boiler. Ans. Boiler flushing or boiler bleeding is a process of cleaning out the boiler inside and breaking out the jam inside the pipes.
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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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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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Which gas is formed when coal is heated in the absence of air? Answer: The process of burning or heating coal in the absence of air is known as destructive distillation. As a result of this process, coal tar and coal gas are produced. The coal gas is a mixture of gases containing hydrogen (H 2), methane (CH 4) and carbon monoxide (CO). Q7.
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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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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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