Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Foundary coke Metallurgical coke Beehive coke Petroleum coke Foundary coke Metallurgical coke Beehive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Carburetted water gas Coke oven gas Oil refinery gas Blast furnace gas Carburetted water gas Coke oven gas Oil refinery gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Its height Neither A nor B Temperature of the flue gas Both A & B Its height Neither A nor B Temperature of the flue gas Both A & B 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content None of these Fusion point of ash Heating value S & P content None of these Fusion point of ash Heating value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Calorific value of coke oven gas is less Coke oven gas yield is more Tar yield is less but free carbon in tar is more All of these Calorific value of coke oven gas is less Coke oven gas yield is more Tar yield is less but free carbon in tar is more All of these ANSWER DOWNLOAD EXAMIANS APP
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