Fuels and Combustion Naphthalene recovered from coke oven gas is used For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It can not burn low grade coal None of these It achieves higher fuel combustion efficiency Less heat transfer surface area is required in boilers It can not burn low grade coal None of these It achieves higher fuel combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Bituminous coal Semi-anthracite Lignite Anthracite Bituminous coal Semi-anthracite Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CO₂ CO CH₄ H₂O CO₂ CO CH₄ H₂O ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The one which is present in the residue after combustion That present in volatile matters The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture The one which is present in the residue after combustion That present in volatile matters The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. High ash Caking Non-caking Pulverised High ash Caking Non-caking Pulverised ANSWER DOWNLOAD EXAMIANS APP