Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 850 6500 4200 1800 850 6500 4200 1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 200-300 80-170 250-270 280-300 200-300 80-170 250-270 280-300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the All of these Storage in compressed piles Storage in large heaps Absence of porous or friable particles All of these Storage in compressed piles Storage in large heaps Absence of porous or friable particles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because It reduces its flame temperature tremendously There are chances of explosion during preheating It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously There are chances of explosion during preheating It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat' coal means a coal having Non smoking tendency High volatile matter Low calorific value Low ash content Non smoking tendency High volatile matter Low calorific value Low ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 30-33 22-26 10-15 1-2 30-33 22-26 10-15 1-2 ANSWER DOWNLOAD EXAMIANS APP