Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 19 21 29 23 19 21 29 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Fine grinding High excess air Low preheat of air All of these Fine grinding High excess air Low preheat of air All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. None of these Bergius Fischer-Tropsch Lurgi None of these Bergius Fischer-Tropsch Lurgi ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the Absorption of gases and vapor Decolourisation of sugar Solvent recovery from air and gases Electrode manufacture Absorption of gases and vapor Decolourisation of sugar Solvent recovery from air and gases Electrode manufacture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Increases May increase or decrease (depends on the method of storage) Remains unaltered Decreases Increases May increase or decrease (depends on the method of storage) Remains unaltered Decreases ANSWER DOWNLOAD EXAMIANS APP
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