Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem in door cleaning Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem in door cleaning Problem of uniform heating along its height ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 750 500 1100 950 750 500 1100 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Calorific value Caking index Proximate analysis Ultimate analysis Calorific value Caking index Proximate analysis Ultimate analysis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are High heat transfer rate All of these Lower furnace operating temperature Reduced NOx formation in flue gas High heat transfer rate All of these Lower furnace operating temperature Reduced NOx formation in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Shallow and small piles Closed space without any ventilation facility Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Shallow and small piles Closed space without any ventilation facility Fine sizes without the presence of any lump Large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Low production of CO₂ High production of CO High production of CO₂ Both B and C Low production of CO₂ High production of CO High production of CO₂ Both B and C ANSWER DOWNLOAD EXAMIANS APP
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