Fuels and Combustion 'Fat coals' are those coals which have very high Volatile matter content Caking capacity Fusion point of its ash Inherent moisture content Volatile matter content Caking capacity Fusion point of its ash Inherent moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) None of these Remains constant Decreases Increases None of these Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Attainment of chemical equilibrium None of these Its thorough mixing with air Attainment of high temperature Attainment of chemical equilibrium None of these Its thorough mixing with air Attainment of high temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Sub-bituminous coal Anthracite coal Low temperature coke Blast furnace coke Sub-bituminous coal Anthracite coal Low temperature coke Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Increases Remains same Decreases Either A or B, depends on other factors Increases Remains same Decreases Either A or B, depends on other factors 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 20 0 10 12.5 20 0 10 ANSWER DOWNLOAD EXAMIANS APP
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