Fuels and Combustion High ash containing coke Is desirable in producer gas manufacture Has poor strength and abrasion resistance Produces more slag when used in the blast furnace None of these Is desirable in producer gas manufacture Has poor strength and abrasion resistance Produces more slag when used in the blast furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging Reduces the coking time None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging Reduces the coking time ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Sewage gas Producer gas LPG Natural gas Sewage gas Producer gas LPG Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals May damage the coke oven walls during carbonisation Produce weak coke Both B and C Produce strong coke May damage the coke oven walls during carbonisation Produce weak coke Both B and C Produce strong coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain CO Both B & C CO₂ H₂O CO Both B & C CO₂ H₂O ANSWER DOWNLOAD EXAMIANS APP
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