Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Insecticides (e.g. moth balls) All of these Unsaturated polyesters Drug intermediates e.g. β-naphthol Insecticides (e.g. moth balls) All of these Unsaturated polyesters Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Coke oven gas yield on carbonisation Smoking tendency on burning Ignition temperature Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Smoking tendency on burning Ignition temperature Chance of catching fire during storage in open space ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Provide trouble free operation Enhance its calorific value Facilitate easy ash removal Ensure its complete combustion Provide trouble free operation Enhance its calorific value Facilitate easy ash removal Ensure its complete combustion ANSWER DOWNLOAD EXAMIANS APP
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