Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The hottest part of the flame lies in its____zone. Luminous Unburnt gases Non-luminous Yellow Luminous Unburnt gases Non-luminous Yellow ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Non-caking coal Coking coal Pulverised coal Caking coal Non-caking coal Coking coal Pulverised coal Caking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Both A & B Calorific value Neither A nor B Caking power Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Reactivity Hardness Strength None of these Reactivity Hardness Strength None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Heat losses Long flame None of these Condensation of water vapour from the fuel gas Heat losses Long flame None of these Condensation of water vapour from the fuel gas ANSWER DOWNLOAD EXAMIANS APP
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