Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Calorific value Both A & B Caking power Neither A nor B Calorific value Both A & B Caking power Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 900 7500 4200 2000 900 7500 4200 2000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Perfumes Plastics Insecticides Pulverised fuel Perfumes Plastics Insecticides Pulverised fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air All of these Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air All of these Provides better control of furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 2.4 11.4 1.75 0.87 2.4 11.4 1.75 0.87 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Fussain Vitrain Clarain Durain Fussain Vitrain Clarain ANSWER DOWNLOAD EXAMIANS APP
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