Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? Moisture content Ash content Volatile matter content CSR & CRI Moisture content Ash content Volatile matter content CSR & CRI ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CO CH₄ H₂ C₂H₆ CO CH₄ H₂ C₂H₆ 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 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 No excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Hydrogenation Carbonisation Gasification None of these Hydrogenation Carbonisation Gasification None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 2500 6500 4000 10000 2500 6500 4000 10000 ANSWER DOWNLOAD EXAMIANS APP
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