To calculate the % of ash content the dry coal is heated in ____________(a) blast furnace(b) muffle furnace(c) reverberatory furnace(d) electric furnaceThe question was posed to me at a job interview.I need to ask this question from Analysis of Coal and Selection topic in chapter Fuel Technologies of Applied Chemistry

To calculate the % of ash content the dry coal is heated in __________

1.	To calculate the % of ash content the dry coal is heated in ____________(a) blast furnace(b) muffle furnace(c) reverberatory furnace(d) electric furnaceThe question was posed to me at a job interview.I need to ask this question from Analysis of Coal and Selection topic in chapter Fuel Technologies of Applied Chemistry
Answer» The CORRECT answer is (b) muffle furnace Best explanation: The ASH content is FOUND by heating the moisture less coal in muffle furnace. REVERBERATORY furnace is a metallurgical or process furnace.

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