Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 50 10000 1000 5000 50 10000 1000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 60 KV AC 230 V DC 60 KV DC 230 V AC 60 KV AC 230 V DC 60 KV DC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High volatile matter High calorific value High ash Low ash High volatile matter High calorific value High ash Low ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 12.5 10 0 20 12.5 10 0 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Durain Clarain Fussain Vitrain Durain Clarain Fussain Vitrain ANSWER DOWNLOAD EXAMIANS APP
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