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

Energy absorbed by plants, Normal 0 false false false E...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Trinomial systeem of nomenclature, can you tell 10 examples of trinomial sy...

can you tell 10 examples of trinomial system of nomenclature?

Illustrate meiotic division, Q. In which meiotic division does the separati...

Q. In which meiotic division does the separation of the homologous take place and what are the ploidies of the generated cells after the end of that process? The separation of

Which is the type of nitrogen waste, Which is the type of nitrogen waste el...

Which is the type of nitrogen waste eliminated by beings of the class Reptilia? These beings excrete mainly uric acid. This substance is less toxic than ammonia and it can be k

Phylum platyhelminhes, what are the classification of phylum platyhelminthe...

what are the classification of phylum platyhelminthes?

How is hiv transmitted, How is HIV transmitted? What is the disease caused ...

How is HIV transmitted? What is the disease caused by this virus? HIV (human immunodeficiency virus) is supposed to be transmitted by blood, semen, maternal milk and vaginal se

Can you explain cholera, Q. Can you explain Cholera? Cholera is one of ...

Q. Can you explain Cholera? Cholera is one of the diseases which had caused epidemics all over the world. The organism which causes the disease is Vibrio cholerae. It is an

What is peri-implant disease, Q. What is Peri-Implant Disease? The term...

Q. What is Peri-Implant Disease? The term peri-implantitis is used to describe the boneloss around an implant. This may be induced by stress or bacteria or a combination of bot

Endoplasm and ectoplasm, Normal 0 false false false EN-...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

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