Selection of coal, Biology

Assignment Help:

Better coal should have following characteristics

(1)   It should have high calorific value.

(2)   It should have low moisture content.

(3)   It should have low ash  content

(4)   It should have high calorific intensity. (Calorific intensity-maximum temperature attainable on complete combustion of coal with theoretical amount of air.)

(5)   Size of coal should be uniform.

(6)   Coking quality should be high (coal on heating gives a coke which is porous, hard, strong. And  suitable for metallurgical needs, then the coal is known as caking coal)

(7)   It should have very low content of sulphur and phosphorous.        

 

 


Related Discussions:- Selection of coal

Steroids, STEROIDS They are a group of tetracyclic lipid derivative...

STEROIDS They are a group of tetracyclic lipid derivatives which have a nucleus of cyclopentano-perhydrophenanthrene  with phenanthrene part made of 3 hexane rings whil

What is the function of the umbilical cord, What is the function of the umb...

What is the function of the umbilical cord? The umbilical cord is a set of blood vessels that connects the fetus with the placenta. In the fetus one extremity of the cord inse

Photosynthesis, test to prove that carbondioxide is needed for photosynthes...

test to prove that carbondioxide is needed for photosynthesis to take place

Explain the issues related to food production, Explain the issues related t...

Explain the issues related to food production? Let us now understand some issues related to food production, these are: Factors influencing food production, Analysi

Control of soil pollution, Following steps must be taken: Domestic an...

Following steps must be taken: Domestic and industrial garbage should be profitably utilized. Compost pits and installation of Gobar-gas plant in rural areas must be encourag

Terms of incubation time and the generation time, If the generation time (t...

If the generation time (t) is the incubation time (t) per generation (G), or t = t/G, rewrite the formula you derived in question 2 for bacterial population growth in terms of incu

What is metabolism , What is Metabolism ? Metabolism is usually define...

What is Metabolism ? Metabolism is usually defined as the sum of the chemical processes required to sustain life. These processes, called metabolic pathways, are catalyzed by

What are the four types of weak bonds, What are the four types of weak bond...

What are the four types of weak bonds, and how do they differ from each other and from covalent bonds?

Dissolved oxygen - aquatic habitats, Dissolved oxygen - Aquatic Habitats ...

Dissolved oxygen - Aquatic Habitats Oxygen in the terrestrial ecosystems occurs in the atmosphere along with other gases in a certain fixed concentration however, in aquatic e

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd