Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of both methane and hydrogen Both A & B Lower amount of hydrogen Higher amount of methane Higher amount of both methane and hydrogen Both A & B Lower amount of hydrogen Higher amount of methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is removed from coke oven gas by Absorbing in vetro-coke solution Adsorbing on bog iron bed None of these Scrubbing with wash oil (a petroleum product) Absorbing in vetro-coke solution Adsorbing on bog iron bed None of these Scrubbing with wash oil (a petroleum product) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Molasses Pitch Line Tar Molasses Pitch Line Tar ANSWER DOWNLOAD EXAMIANS APP