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

Where in the body is the thyroid gland located, Q. Where in the body is the...

Q. Where in the body is the thyroid gland located? The thyroid is located in the anterior cervical region (frontal neck) in just below the larynx and front of the trachea and i

Explain the nutrient requirements during lactation, Normal 0 fa...

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

Define eggs as a rich source of protein, Define Eggs as a rich source of pr...

Define Eggs as a rich source of protein? Roughly, the chicken egg consists of 11% shell, 31% yolk and 58% white. Liquid whole egg consists of 65% white and 35% yolk. The primar

Ability of mammalian kidney, Normal 0 false false false ...

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

What are the digestive functions of the liver, Q. What are the digestive fu...

Q. What are the digestive functions of the liver? The liver has other digestive functions, besides making bile for release in the duodenum. The venous network that absorbs n

Mode of nutrition, explain the mode of nutrition in paramecium, euglena and...

explain the mode of nutrition in paramecium, euglena and hydra

What is an ecosystem?, What is an ecosystem? An ecosystem is the system...

What is an ecosystem? An ecosystem is the system that composed of biotic and abiotic factors in interaction.

Important inorganic molecular substances, Q. Which are the most important i...

Q. Which are the most important inorganic molecular substances for living beings? The most important inorganic substances for living beings are mineral salts, water, molecular

Nutritional management of diabetes mellitus, Q. Nutritional management of d...

Q. Nutritional management of diabetes mellitus? we will learn about the nutritional management of diabetes mellitus which is an important metabolic disorder of public health si

Explain cartilaginous and the osseous tissue, Which type of tissue are the ...

Which type of tissue are the cartilaginous and the osseous tissue? The cartilaginous and the osseous tissues are considered connective tissues as they are tissues in which the

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