Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 36 6 28 18 36 6 28 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in KOH Ammoniacal cuprous chloride Pyrogallol solution None of these KOH Ammoniacal cuprous chloride Pyrogallol solution None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 5000 5 50 500 5000 5 50 500 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 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 It reduces its flame temperature tremendously There are chances of explosion during preheating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Lower than Higher than Same as Not related to Lower than Higher than Same as Not related to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke None of these Facilitate uniform heating of the oven ANSWER DOWNLOAD EXAMIANS APP
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