Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 27.6 47.3 42.9 23 27.6 47.3 42.9 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the All of these Use of thick fire bed Low fusion point of ash (< 1100° C) Use of preheated primary air All of these Use of thick fire bed Low fusion point of ash (< 1100° C) Use of preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Moisture Volatile matter Sulphur (4-6%) Ash Moisture Volatile matter Sulphur (4-6%) Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Can't be known without calculating it Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it Is equal to the heat of formation Is always positive Is always negative ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be High Low None of these Very high, if the fuel is of low calorific value High Low None of these Very high, if the fuel is of low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? None of these Phenol & naphthalene Anthracene & creosote Benzol & pitch None of these Phenol & naphthalene Anthracene & creosote Benzol & pitch ANSWER DOWNLOAD EXAMIANS APP