Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 23 21 19 29 23 21 19 29 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Bituminous Anthracite Lignite None of these Bituminous Anthracite Lignite None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Colour Volatile matter Moisture content Ash content Colour Volatile matter Moisture content Ash content 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 Low None of these High Very high, if the fuel is of low calorific value Low None of these High Very high, if the fuel is of low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the All of these Damper Speed of the fan Variation in the pitch of the fan blades All of these Damper Speed of the fan Variation in the pitch of the fan blades ANSWER DOWNLOAD EXAMIANS APP
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