Fuels and Combustion Highly caking coals May damage the coke oven walls during carbonisation Produce weak coke Both B and C Produce strong coke May damage the coke oven walls during carbonisation Produce weak coke Both B and C Produce strong coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Pitch Molasses Line Tar Pitch Molasses Line Tar 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 10 12.5 0 20 10 12.5 0 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs SO₂ Neither A nor B CO₂ Both A & B SO₂ Neither A nor B CO₂ Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1400-1500 1700-1800 400-500 900-1000 1400-1500 1700-1800 400-500 900-1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Mineral matter content Caking index Both B and C Ash content Mineral matter content Caking index Both B and C Ash content ANSWER DOWNLOAD EXAMIANS APP
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