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

How much dna is in each stage, In meiosis - starting from stage G1 through ...

In meiosis - starting from stage G1 through the completion of meiosis, how much DNA is in each stage/phase when referring to the nucleus of spermatagonia?

What is a species?, What is a species? The species is a set of living b...

What is a species? The species is a set of living beings able to cross among themselves generating fertile offspring. This concept though does not apply to individuals of ex

Explain the absorption, Explain the Absorption, Storage and Elimination of ...

Explain the Absorption, Storage and Elimination of Folate? Folic acid is readily absorbed from the small intestines through the portal vein and  passed onto the tissues throug

Law of diminishing return, Law of Diminishing Return A German scientis...

Law of Diminishing Return A German scientist Mitscherlich calculated the effect of different quantities of various growth factors on the yield of plants by means of a mathemat

Gene therapy vectors, The ultimate aim of somatic gene therapy is to alter ...

The ultimate aim of somatic gene therapy is to alter the genetic material of living cells which involves transfer of DNA. Genetic material is transferred by various methods like us

Endosperm with micropylar haustorium, Endosperm with micropylar Haustorium ...

Endosperm with micropylar Haustorium A very prominent and aggressive micropylar haustorium is seen in Impatiens. Here the division of the primary endosperm nucleus is followed

Intermediate products of anaerobic respiration, (a) What are the intermedia...

(a) What are the intermediate products of anaerobic respiration in an active muscle? (b) Which of them is associated with oxygen debt? (c) In what way is th

Meiosis, How do meiosis do in developing of new varieties of crops

How do meiosis do in developing of new varieties of crops

Illustrate food applications of cmc, Food applications of CMC In common...

Food applications of CMC In common with other linear water-soluble polymers, cellulose gum solutions are pseudoplastic that is the viscosity decreases as the  rate of shear inc

Investigation of aortic regurgitation by surgical therapy, Q. Investigation...

Q. Investigation of aortic regurgitation by Surgical Therapy? The recommendation for Aortic valve replacement is only for those patients with Severe AR. If patients with mild A

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