Fuels and Combustion Water gas constitutes mainly of CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Low temperature oxidation Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of thick fire bed Low fusion point of ash (< 1100° C) All of these Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) All of these Use of preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Fixed carbon Volatile matter Oxygen Ash Fixed carbon Volatile matter Oxygen Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high All of these Stack gas temperature Percentage of oxygen in flue gases Fuel consumption for the same heat load All of these Stack gas temperature Percentage of oxygen in flue gases Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS