Fuels and Combustion With increase in moisture content of coal, its Bulk density always decreases None of these Calorific value increases sometimes Clinkering tendency during combustion increases Bulk density always decreases None of these Calorific value increases sometimes Clinkering tendency during combustion increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Vitrain Fussain Durain Clarain Vitrain Fussain Durain Clarain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Equal More or less ; (depends on the state of fuel.) More Less Equal More or less ; (depends on the state of fuel.) More Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load Percentage of oxygen in flue gases All of these Stack gas temperature Fuel consumption for the same heat load Percentage of oxygen in flue gases All of these Stack gas temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about 2-3 days 12 hours One week Two weeks 2-3 days 12 hours One week Two weeks ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS