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