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11
Calorific value of dry wood may be around __________ Kcal/kg.
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Answer & Solution
Answer: Option D
Solution:
The calorific value of a fuel is the amount of heat energy released during its combustion.

For dry wood, the calorific value is typically around 5000 Kcal/kg, making it a good source of energy for combustion processes.

This value can vary slightly depending on the type of wood and its composition, but 5000 Kcal/kg is a common average used in calculations and assessments.
12
Calorific value of bituminous coal may be around __________ Kcal/kg.
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Answer & Solution
Answer: Option C
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13
Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg.
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Answer: Option C
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14
Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent.
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Answer: Option D
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15
Pick out the wrong statement.
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Answer: Option D
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16
Volatile matter content of metallurgical coke may be around __________ percent.
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Answer: Option A
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17
Quantity of coke produced from metallurgical coal may be around __________ percent.
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Answer: Option C
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18
Abrasion index of blast furnace coke should be around __________ percent.
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Answer: Option D
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19
Which of the following is not a binder for coal briquetting?
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Answer: Option D
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20
Natural draught produced by a chimney depends upon the
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Answer & Solution
Answer: Option C
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