Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Unburnt carbon in flue gases Ash content in the fuel Flue gases Incomplete combustion Unburnt carbon in flue gases Ash content in the fuel Flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher All of these Heat release rate (thus requiring smaller combustion chamber) Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature All of these Heat release rate (thus requiring smaller combustion chamber) Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Semi-anthracite Bituminous Sub-bituminous Lignite Semi-anthracite Bituminous Sub-bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Caking power Calorific value Both A & B Neither A nor B Caking power Calorific value Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Anthracite Semi-anthracite Lignite Bituminous coal Anthracite Semi-anthracite Lignite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
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