Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Both A & B Caking power Neither A nor B Calorific value Both A & B Caking power Neither A nor B Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Proper fuel preparation Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Proper fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 65 180 30 120 65 180 30 120 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CO CH₄ H₂ C₂H₆ CO CH₄ H₂ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
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