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

What are the complications of chronic dyspepsia, Q. What are the complicati...

Q. What are the complications of chronic dyspepsia? Complications of dyspepsia are listed below: • Wright loss: Since eating most of tell provokes the symptoms, patients res

Fermentation, what is steroid production by microbial metabolism

what is steroid production by microbial metabolism

Problem of polarity in regeneration in planarians, Problem of Polarity in R...

Problem of Polarity in Regeneration in Planarians As in Hydra, flatworm regeneration as well appears to occur in a polar fashion. There seems to be ananterior-posterior gradie

Cellulose, CELLULOSE It is a linear polymer of b -D-glucose. It i...

CELLULOSE It is a linear polymer of b -D-glucose. It is the structural polysaccharide of plant cell walls, walls of some primitive fungi, some protists, and tunic of asci

Following statement true for prokaryotic or eukaryotic, Following statement...

Following statement true for prokaryotic or eukaryotic? They use deoxyribonucleic acid as their major information storage molecule

Explain assessment of iron status - transferrin saturation, Explain assessm...

Explain assessment of iron status - Transferrin saturation? Transferrin saturation: As iron deficiency progresses, there is a decline in transferrin saturation. With deficiency

What are the major biological processes, Q. What are the major biological p...

Q. What are the major biological processes in which calcium participates? Calcium is present in approximately all cells and has various functions. Calcium has an significant ro

Total darkness and pea seedlings grown in the light, What differences would...

What differences would you expect to see among pea seedlings grown for 10 days in total darkness and pea seedlings grown in the light for the similar period of time?   The s

How is the brain involved in the immune system, How is the brain involved i...

How is the brain involved in the immune system? A. Immune cells that constitute body's biological defense against infections and toxins, have many things in common with nerve c

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