The highest grade of coal whose surface is shining and has the highest calorific value, is:

Related MCQs

• Which of the following varieties of coal accounts for the maximum coal output of the world?
• The Appalachian coal fields, one of the important coal fields in the world, are located in:
• Which of the following types of coal represents the first stage of formation of coal?
• Which of the following are true with regard to temperature control of the atmosphere of a given place? 1. The major temperature contrasts on earth's surface are between land masses and oceans 2. During night, the water surface cools more rapidly than the land surface 3. Temperature generally decreases with latitude on either side of the equator 4. Temperature rises to a maximum during summer and falls to a minimum during winter
• Which of the following grades of coal has the highest carbon content?
• The highest coal-producing country in the world is [BPSC 2011]
• Coal, which is almost pure carbons which hardly has any Impurities, which is smokeless and which finds use in the steel industry is called
• Consider the following statements: 1. Nearly 99 percent of the total mass of the atmosphere lies within 30 km of the Earth's surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface. Which of the statements given above is/are correct? [IAS 2008]
• Consider the following statements regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth's surface at sea level is called one atm sphere. Which of these statements are correct? [CDS 2001]
• Carbonaceous rocks which produce coal and of belong to the category of rocks called