Which of the following fuels is generally not used in thermal power plant boiler firing ?
Correct answer: B. Pulverised coking coal
- A. Furnace oil, light diesel oil and tar/PCM
- B. Pulverised coking coal
- C. Coal middling from washeries
- D. B.F. gas, coke oven gas and L.D. converter gas
Explanation
Pulverised coking coal is primarily reserved for metallurgical coke production, whereas thermal boilers generally fire non-coking coal or the listed liquid and waste gases. Therefore it is the generally unsuitable choice.
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