Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Free carbon in tar is more Aliphatic tar is produced All of these Ammonia yield is more Free carbon in tar is more Aliphatic tar is produced All of these Ammonia yield is more 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 Decreases Remains same Either A or B, depends on other factors Increases Decreases Remains same Either A or B, depends on other factors Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Semi-bituminous coal Aanthracite Bituminous coal Coke Semi-bituminous coal Aanthracite Bituminous coal Coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 3 to 4 5 to 15 20 to 40 1 to 2 3 to 4 5 to 15 20 to 40 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CO₂ CH₄ H₂O CO CO₂ CH₄ H₂O CO ANSWER DOWNLOAD EXAMIANS APP
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