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