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Coal

Definition

Coal is considered to be a fossil fuel which is dark black to brownish in color, rock formed from plants that have been fossilized through the process of oxidation. Coal contains amorphous carbon along with different organic as well some inorganic compounds and liberates carbon dioxide and other harmful gases when burned. Coal is widely used to generate electricity as well as heat.

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  • How is Coal Formed ?

    Since the 13th century coal is derived from the Old English term col, which means "mineral of fossilized carbon".

    Coal consists of high content of carbon and other elements like, sulfur, hydrogen, oxygen, and nitrogen.

    Coal is a naturally black sedimentary rock occurring in rock strata in layers or veins called coal beds or coal seams.

    Anthracite coal is the solider form of coal, can be considered as metamorphic rock because of later exposure to high temperature and pressure.

  • What is Coal ?

    Coal is a combustible sedimentary rock composed generally of carbon and hydrocarbons.

    Coal is non-renewable resource which is the most abundant manufactured fossil fuel in the United States.

    Coal is the leading source of energy for the generation of electricity all over the world, also anthropogenic sources of carbon dioxide releases.

    Coal act as abundant resource that has been used for thousands of years to yield energy, mutually in the form of heat and electricity.

  • Effectiveness of Inorganic Coal

    Mineral coal is used in producing steam power to drive railway trains, Steam-ships and Steamers.

    Steam-power is produced from water boiled by mineral coal. Electricity is easily manufactured from coal by planting thermal stations near coal mines.

    Synthetic petrol is manufactured from mineral; coal through a kind of chemical process.

  • Types of Coal

    Coal is a multifaceted resource which differs in composition even inside the same deposit. There are four different types or ranking based on various levels of coal with differences in energy output as a result of increased temperature,pressure & time

    Lignite is a brownish-black coal with great moisture and ash content and the lowest heating value of the four types of coal. It is used for generating electricity.

  • What is Coal Tar ?

    Coal tar is a black fluid of tremendously high viscosity when coal is carbonized,

    Coal tar is among the by-products which manufactured coke or gasified to make coal gas.

    Coal tars are compound and variable mixtures of phenols, polycyclic aromatic hydrocarbons (PAHs), and heterocyclic compounds.

    Paracetamol is the only coal-tar derived analgesic which is still in use today, but industrial phenol is now usually synthesized from crude oil rather than coal tar.

  • Fly ash

    Definition

    Fly Ash are the fine particles or the residues which are generated during combustion of solid fuels such as coal. It is also known as "pulverised fuel ash". Along with the flue gases these fine particles  are driven out of the boiler. The components of fly ash vary and depends on the coal being burned.

  • Global warming

    Definition

    Global warming can be defined as an increase in the average temperature of the earth's atmosphere that causes changes in the climate which may result from the greenhouse effect. Burning of coal is one fo the cause that generates carbon dioxide and other gases which may  increase temperature. Several other factors are also responsible for global warming.

  • Combustion

    Definition

    Combustion is a process in which heat and light is produced, by the rapid chemical reaction between oxygen and other substances or fuels such as wood, oil, coal, petroleum etc., 

  • Asphalt

    Definition

    Asphalt is brownish to black ,thick sticky and highly viscous liquid or semi solid compound. Asphalt is obtained during refining of coal or petroleum and consist of mixture of hydrocarbon. It is used in preparations of roads. Asphalt is composed of bitumen which is present in crude petroleum.

  • Boiler

    Definition

    Boiler is a closed vessel in which water or other types of fluids is heated as a result vapour or steam is generated which helps to run turbines or engines and also heat produced is used for various other purposes. The sources of heat for the boiles is combustion of different fuels such as coal, natural gas, wood or other types of fuels.

  • Steam engine

    Definition

    Steam engine is a heat engine in which a hot steam is used that converts the heat energy into mechanical energy. Sliding piston is present in the cylinder which moves by the expansion action of the steam which is generated in a boiler. Coal, wood or other combustible material are used as a source to produce steam in a boiler.

  • Black Hat SEO

    Short Definition of term Black Hat SEO is defined as follows. Let us check brief explanation and meaning of the given term which is given below.

    In SEO - (Search Engine Optimization) some webmaster violates webmaster guidelines in orde to rank top in search results , such methods are known as black hat SEO. Duplicate content, Cloaking, keyword stuffing , SEO spamming are some of its types.

  • Black Hat SEO

    Short Definition of term Black Hat SEO is defined as follows. Let us check brief explanation and meaning of the given term which is given below.

    In SEO - (Search Engine Optimization) some webmaster violates webmaster guidelines in orde to rank top in search results , such methods are known as black hat SEO. Duplicate content, Cloaking, keyword stuffing , SEO spamming are some of its types.

  • Steam locomotive

    Definition

    Steam locomotive is moved by using the power of steam which is generated in its own boiler by the combustion of fuels such as coal, oil or petroleum. Steam locomotives are also used to move trains along railway tracks for railway transport.

  • Medicinal Uses of Amla Plants in Points

    Check out Medicinal Uses of Amla plants in Points which are discussed below. So let us find out some points on Medicinal uses to know more about Amla Plants.

    Medicinal Uses of Amla Plants are :

    Amla Plants can be used to stimulate Appetite.

    Amla plants can also be used for diarrhea, dysentry and hemorrhage.

    Amla plants can be used as an antioxidants as it contains vitamin C and polyphenols

    They are also good for heart , eyes and brain

    Amla also improves immunity and gives physical strength

  • Advantages and Disadvantages of Organic Farming

    Advantages and Disadvantages of organic farming are as follows. So let us check it out some pros and cons of organic farming to know more about it. Organic Farming is the type of Agriculture in which methods or techniques such as crop rotation, green manure, compost and biological pest control are used. This type of agriculture uses organic materials to improve the health of soil and crops.

  • Organic SEO

    The Short Definition of an Organic SEO is explained here. So let us check out meaning and small explanation of the given term, which is as follows.

    Search Engine Optimization - SEO methods are used to rank webpages on top of Search engine result page (SERP), Organic SEO is a term or phrase used to describe natural ranking of webpages at top of Search results. White hat SEO or Ethical SEO is used for organic SEO.

    Cloaking, Duplicate content, Keyword Stuffing, SEO spam are the kinds of Black Hat SEO, This methods violates webmaster guidelines.

  • Organic SEO

    The Short Definition of an Organic SEO is explained here. So let us check out meaning and small explanation of the given term, which is as follows.

    Search Engine Optimization - SEO methods are used to rank webpages on top of Search engine result page (SERP), Organic SEO is a term or phrase used to describe natural ranking of webpages at top of Search results. White hat SEO or Ethical SEO is used for organic SEO.

    Cloaking, Duplicate content, Keyword Stuffing, SEO spam are the kinds of Black Hat SEO, This methods violates webmaster guidelines.

  • Tablet Coating: color variation Defects

    During Tablet coating , color variation defect is observed sometimes.

     This defect is caused by improper mixing on the tablets, or by insufficient coating and also caused by uneven spray pattern on tablets.

     After coating the migration of soluble dyes or any additives during drying may give tablet a spotted and mottled apperation.

    Due to this defect color variation is observed.

WHAT OTHERS ARE READING

Full Form of RCT

RCT - Root Canal Treatment

Other full form of RCT are Randomized Clinical Trials, Reverse Conducting Thyristor and Royal Corps of Transport.

so let us find out other meaning of the given terms.

Check it out other similar terms on this site. 

Steam engine

Definition

Steam engine is a heat engine in which a hot steam is used that converts the heat energy into mechanical energy. Sliding piston is present in the cylinder which moves by the expansion action of the steam which is generated in a boiler. Coal, wood or other combustible material are used as a source to produce steam in a boiler.

Process Validation Types Revalidation

Fourth type of process validation is Revalidation. It is performed to check the performance of the various process parameters, some of the points regarding revalidation are as follows. So let us have a look on revalidation:

Any part of process or entire process parameters are validated in order to check the performance of the process parameters.

To maintain the validated status of equipment, facilities, or manufacturing process , revalidation if often carried out.

Relax your mind by Watching TV

Watching TV offers various types of advantages for example, It gives updates about surrounding world.

"It offers various Benefits which will help us directly indirectly to boost our knowledge.

We can get lots of information from it. All members can sit together and can enjoy tv by watching social channels, favorite movies and live programs.

There are some educational channels which teaches children about many useful things which may not be taught in school.

Full Form of TDS

TAX Deducted at Source (TDS) is one of the mode of collecting Income Tax in India which is deposited in the government treasury, it is the revenue collected at the source of income.(Other full form of TDS is Total Dissolved Solids , which is a measure of combined content of organic as well as inorganic substance in a liquid such as water.)

About Azadirachta Indica for hair using neem oil

Neem can be used for hair related problems. Azadirachta Indica (neem) and other parts of the neem are useful to prevent dandruff, hair loss and to prevent grey hair. The neem based cream  can be applied on the scalp before going for bathing to treat dandruff.  Various shampoo and other products made of neem are also available in the market to prevent dandruff, hair loss and to keep hair healthy.  It can also be used to prevent scalp related problems which keeps scalp healthy. Neem oil is mixed with almond oil and coconut oil  keeps hair healthy.

Advantages and disadvantages of Chromatography

Chromatography is simple method. Chromatography can be handled by single person.

Other advantages are, Chromatography is used to separate components from complex mixture.

Different types of chromatography equipment are available for separation of different compounds.

Some of them are Gas Chromatography, Liquid Chromatography, Solid Chromatography, High performance liquid Chromatography, Solid liquid Chromatography, Liquid liquid Chromatography, Thin layer Chromatography. This method gives accurate results.