Fuels and Combustion The fuel ratio of a coal is Neither A nor B Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Neither A nor B Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Calorific value Ignition temperature Caking index Ash fusion temperature Calorific value Ignition temperature Caking index Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of High temperature coke (V.M < 0.5%) Lignite Anthracite Bituminous coal High temperature coke (V.M < 0.5%) Lignite Anthracite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of methane Higher amount of both methane and hydrogen Lower amount of hydrogen Both A & B Higher amount of methane Higher amount of both methane and hydrogen Lower amount of hydrogen Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Gobar gas Coke oven gas LPG Carburetted water gas Gobar gas Coke oven gas LPG Carburetted water gas 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 Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature ANSWER DOWNLOAD EXAMIANS APP