Fuels and Combustion Soft coke is not Produced by low temperature carbonisation of coal A domestic fuel None of these Used in blast furnaces Produced by low temperature carbonisation of coal A domestic fuel None of these Used in blast furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Using low c.v. fuels Maintaining proper draft in the furnace Controlling the excess air Oxygen enrichment of combustion air Using low c.v. fuels Maintaining proper draft in the furnace Controlling the excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Caking Carbonised Classified Non-caking Caking Carbonised Classified Non-caking 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. Gasification Carbonisation Hydrogenation None of these Gasification Carbonisation Hydrogenation None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Aromatic content of tar produced is more Tar yield is more Ignition temperature of coke produced is less Gas yield is less Aromatic content of tar produced is more Tar yield is more Ignition temperature of coke produced is less Gas yield is less ANSWER DOWNLOAD EXAMIANS APP
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