GK
GENERAL SCIENCE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which one of the following is known as “Brown Coal"?
|
|
Bituminous
|
|
|
Anthracite
|
|
|
Peat
|
|
|
Lignite
|
Explanation:
Detailed explanation-1: -Lignite: Lignite coal, aka brown coal, is the lowest grade coal with the least concentration of carbon. Lignite has a low heating value and a high moisture content and is mainly used in electricity generation.
Detailed explanation-2: -Soft coal may refer to several lower quality types of coal, primarily used for power generation: Lignite, or brown coal. Sub-bituminous coal. Bituminous coal, or black coal.
Detailed explanation-3: -Lignite is the lowest rank of coals. Lignites are brown in color and have an earthy, crumbly texture.
Detailed explanation-4: -The ranks of coals, from those with the least carbon to those with the most carbon, are lignite, subbituminous, bituminous, and anthracite.
There is 1 question to complete.