Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 550 1150 750 950 550 1150 750 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 15-25 25-80 0-15 >100 15-25 25-80 0-15 >100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 25, 000 10, 000 5000 15, 000 25, 000 10, 000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Yield of gas and tar All of these Fuel consumption in coking Time of carbonisation Yield of gas and tar All of these Fuel consumption in coking Time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CO CH₄ H₂ None of these CO CH₄ H₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of a gaseous fuel results in increased Ignition temperature Quantity of flue gas Flame temperature Flame length Ignition temperature Quantity of flue gas Flame temperature Flame length ANSWER DOWNLOAD EXAMIANS APP
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