Fuels and Combustion Benzol is used Neither A nor B As a motor fuel blend For producing benzene, tolune & xylene by its distillation Both A & B Neither A nor B As a motor fuel blend For producing benzene, tolune & xylene by its distillation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Caking tendency Size stability Clinkering tendency Coking tendency Caking tendency Size stability Clinkering tendency Coking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 55 to 75 75 35 to 45 15 to 25 55 to 75 75 35 to 45 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Yield of gas and tar Fuel consumption in coking All of these Time of carbonisation Yield of gas and tar Fuel consumption in coking All of these Time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Helpful in estimation of its rank Both A and B Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Both A and B Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter ANSWER DOWNLOAD EXAMIANS APP
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