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 None of these Tar Benzol Ammonia None of these Tar Benzol Ammonia ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Unsaturated hydrocarbons Methane Hydrogen All of these Unsaturated hydrocarbons Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Carbon monoxide Oxygen Temperature Smoke Carbon monoxide Oxygen Temperature Smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of furnace oil is about __________ Kcal/kg. 10000 5000 15000 20000 10000 5000 15000 20000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Reduce its requirement for effecting the complete combustion Increase the adiabatic flame temperature Complete the combustion of fuel Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion Increase the adiabatic flame temperature Complete the combustion of fuel Increase the calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
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