Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Facilitate uniform heating of the oven Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation None of these Facilitate uniform heating of the oven Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Blast furnace gas Water gas Natural gas Coke oven gas Blast furnace gas Water gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? CH₄ C₂H₆ CO H₂ CH₄ C₂H₆ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia Iron silicate Iron sulphate All of these Lime and magnesia Iron silicate Iron sulphate All of these ANSWER DOWNLOAD EXAMIANS APP
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