Hamad Fuels and Combustion 23/10/2020 A. All tar is evolved at 700°C C. Hard semi-coke starts shrinking at 600°C D. All A., B. and C. Related Mcqs: _____________ of the coal is the basis for Seylor’s coal classification?A. Proximate analysis B. Ultimate analysis C. Caking index D. Calorific value... Advantages of fluidised bed combustion are ____________________?A. Reduced NOx formation in flue gas B. Lower furnace operating temperature C. High heat transfer rate D. All A., B. & C.... Which of the following combustibles is absent in blast furnace gas ?A. H2 B. CH4 C. CO D. None of these... Which of the following fuel gases is heavier than air ?A. Blast furnace gas B. Coke oven gas C. Natural gas D. Water gas... Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of _____________ °C?A. 80-170 B. 200-300 C. 250-270 D. 280-300...
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