Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Diatomaceous earth Basalt Silica gel Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel Bog iron (i.e., moist ferric hydroxide) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? 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 Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by Moisture loss Dry gas/stack gas loss Incomplete combustion None of these Moisture loss Dry gas/stack gas loss Incomplete combustion None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Smoke Oxygen Temperature Carbon monoxide Smoke Oxygen Temperature Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? None of these H₂ CO CH₄ None of these H₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
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