Fuels and Combustion Which of the following coke has the least percentage of ash? Metallurgical coke Petroleum coke Beehive coke Foundary coke Metallurgical coke Petroleum coke Beehive coke Foundary coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Liquid fuels Solid fuels Gaseous fuels Fat coals Liquid fuels Solid fuels Gaseous fuels Fat coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Is non-coking Contains more than 90% fussain Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Is non-coking Contains more than 90% fussain Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? 2CO ⟷ C + CO₂ C + H₂O ⟷ CO + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ CO + H₂O ⟷ CO₂ + H₂ 2CO ⟷ C + CO₂ C + H₂O ⟷ CO + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ CO + H₂O ⟷ CO₂ + H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that No excess air has been used for combustion 21% excess oxygen has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess oxygen has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Increase the gas production rate Convert CO to CO₂ Minimise the chances of clinker formation Increase the combustion rate Increase the gas production rate Convert CO to CO₂ Minimise the chances of clinker formation Increase the combustion rate ANSWER DOWNLOAD EXAMIANS APP
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