Fuels and Combustion Coke compared to the coal from which it has been made, contains Less volatile matter Greater percentage of ash More carbon All of these Less volatile matter Greater percentage of ash More carbon All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always Unpredictable > 1 1 < 1 Unpredictable > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick the odd man out. Briquettes Oil gas Pitch creosote mixture Wood Briquettes Oil gas Pitch creosote mixture Wood 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) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 800 10000 4500 1800 800 10000 4500 1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Aanthracite Coke Semi-bituminous coal Bituminous coal Aanthracite Coke Semi-bituminous coal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP