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 Hydrogen Methane All of these Unsaturated hydrocarbons Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia Iron sulphate Iron silicate All of these Lime and magnesia Iron sulphate Iron silicate All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C High production of CO High production of CO₂ Low production of CO₂ Both B and C High production of CO High production of CO₂ Low production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Its height Neither A nor B Both A & B Temperature of the flue gas Its height Neither A nor B Both A & B Temperature of the flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke Making carbon electrodes Recarbonising steel All of these Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke Making carbon electrodes Recarbonising steel All of these ANSWER DOWNLOAD EXAMIANS APP