Fuels and Combustion The heat of combustion of a fuel Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Porosity Both B and C Critical air blast (CAB) value Coke reactivity index (CRI) Porosity Both B and C Critical air blast (CAB) value Coke reactivity index (CRI) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its None of these Clinkering tendency during combustion increases Bulk density always decreases Calorific value increases sometimes None of these Clinkering tendency during combustion increases Bulk density always decreases Calorific value increases sometimes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Tar Ammonia None of these Benzol Tar Ammonia None of these Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature All of these ANSWER DOWNLOAD EXAMIANS APP
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