Fuels and Combustion A good coking coal should have high __________ content. Ash None of these Moisture Sulphur & phosphorus Ash None of these Moisture Sulphur & phosphorus ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Remains same Increases Decreases May increase or decrease depending on the type of fuel Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel consumption in coke making can be reduced by Preheating, blending and de-ashing the coal Stamped charging of coal All of these Dry quenching of coke Preheating, blending and de-ashing the coal Stamped charging of coal All of these Dry quenching of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Volatiles Moisture Ash Iron Volatiles Moisture Ash Iron 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. Methane Unsaturated hydrocarbons Hydrogen All of these Methane Unsaturated hydrocarbons Hydrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Incomplete combustion All of these Dry gas/stack gas loss Moisture loss Incomplete combustion All of these Dry gas/stack gas loss Moisture loss ANSWER DOWNLOAD EXAMIANS APP