Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Ash Volatiles Carbon Moisture Ash Volatiles Carbon Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about Two weeks 2-3 days One week 12 hours Two weeks 2-3 days One week 12 hours ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Hydrogenation None of these Carbonisation Gasification Hydrogenation None of these Carbonisation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Gasification Oxidation Coalification Carbonisation Gasification Oxidation Coalification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Variation in the pitch of the fan blades All of these Damper Speed of the fan Variation in the pitch of the fan blades All of these Damper Speed of the fan ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Can't be known without calculating it Is always negative Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative Is equal to the heat of formation Is always positive ANSWER DOWNLOAD EXAMIANS APP
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