Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature Heat release rate (thus requiring smaller combustion chamber) All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature Heat release rate (thus requiring smaller combustion chamber) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content O₂ content CO content Dew point CO₂ content O₂ content CO content Dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Height of the chimney Density of the chimney gases Neither A nor B Both A & B Height of the chimney Density of the chimney gases Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Have a very high calorific value Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these Have a very high calorific value Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Methane Hydrogen Unsaturated hydrocarbons All of these Methane Hydrogen Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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