Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Low fusion point of ash (< 1100° C) All of these Use of thick fire bed Use of preheated primary air Low fusion point of ash (< 1100° C) All of these Use of thick fire bed Use of preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Minimise the chances of clinker formation Increase the gas production rate Increase the combustion rate Convert CO to CO₂ Minimise the chances of clinker formation Increase the gas production rate Increase the combustion rate Convert CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. Dew point CO content CO₂ content O₂ content Dew point CO content CO₂ content O₂ content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation None of these Produces larger size coke May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation None of these Produces larger size coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Blast furnace coke Anthracite coal Low temperature coke Sub-bituminous coal Blast furnace coke Anthracite coal Low temperature coke Sub-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS