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Calculate the weight (number of pounds) of each rank of coal that would have to be burned to produce 3.5 million BTU (or 3,500,000 BTU) of heat, using the data in the table. The choices are given below.

Calculate the weight (number of pounds) of each rank of coal that would have to be burned to produce 3.5 million BTU (or 3,500,000 BTU) of heat, using the data in the table. The choices are given below.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Calculate the weight (number of pounds) of each rank of coal that would have to be burned to produce 3.5 million BTU (or 3,500,000 BTU) of heat, using the data in the table. The choices are given below.
Weight of coal burned to produce Carbon Heating value or energy output (BTU per pound) Coal Rank Content 1 million BTU? (Kg) Lignite 46 - 60% 5.50 x 103 to 8.30 x 103 BTU/lb 54.76Kg- 82.6Kg (average= 6,900 BTU /lb) Sub- 46 - 60% 8.30 x 103 to 1.30 x 104 BTU /lb bituminous coal Bituminous 46 86% 1.10 x 104 to 1.50 x 104 BTU /lb coal Anthracite 86 98% 1.35 x 104 to 1.56 x 10 BTU /lb coal
Transcribed Image Text:Weight of coal burned to produce Carbon Heating value or energy output (BTU per pound) Coal Rank Content 1 million BTU? (Kg) Lignite 46 - 60% 5.50 x 103 to 8.30 x 103 BTU/lb 54.76Kg- 82.6Kg (average= 6,900 BTU /lb) Sub- 46 - 60% 8.30 x 103 to 1.30 x 104 BTU /lb bituminous coal Bituminous 46 86% 1.10 x 104 to 1.50 x 104 BTU /lb coal Anthracite 86 98% 1.35 x 104 to 1.56 x 10 BTU /lb coal
1. Sub - bituminous coal OA. 34.97 kg - 54.76 kg B. 34.96 kg 53.76 kg C. 34.96 kg - 54.76 kg D. 34.86 kg 54.76 kg OE. 34.96 kg 54.77 kg 2. Bituminous coal A. 30.30 kg - 41.32 kg B. 30.31 kg - 41.32 kg C. 30.30 kg- 41.22 kg D. 31.30 kg - 41.32 kg E. 30.30 kg - 42.32 kg 3. Anthracite coal A. 29.14 kg 33.77 kg B. 29.24 kg - 33.67 kg C. 29.14 kg - 34.67 kg D. 29.16 kg - 33.67 kg E. 29.14 kg 33.67 kg 00O0
Transcribed Image Text:1. Sub - bituminous coal OA. 34.97 kg - 54.76 kg B. 34.96 kg 53.76 kg C. 34.96 kg - 54.76 kg D. 34.86 kg 54.76 kg OE. 34.96 kg 54.77 kg 2. Bituminous coal A. 30.30 kg - 41.32 kg B. 30.31 kg - 41.32 kg C. 30.30 kg- 41.22 kg D. 31.30 kg - 41.32 kg E. 30.30 kg - 42.32 kg 3. Anthracite coal A. 29.14 kg 33.77 kg B. 29.24 kg - 33.67 kg C. 29.14 kg - 34.67 kg D. 29.16 kg - 33.67 kg E. 29.14 kg 33.67 kg 00O0
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