Fuels and Combustion Naphthalene is used for making All of these Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol All of these Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Ash Volatiles Moisture Iron Ash Volatiles Moisture Iron ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Gives an idea of the fusion temperature of ash Is related to its calorific value Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Gives an idea of the fusion temperature of ash Is related to its calorific value Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 29 77 21 79 29 77 21 79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CO CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal 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 Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
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