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