Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Volatile matter Ash content Moisture content Colour Volatile matter Ash content Moisture content Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 25, 000 15, 000 5000 10, 000 25, 000 15, 000 5000 10, 000 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. Carbonisation Gasification None of these Hydrogenation Carbonisation Gasification None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 8000 1000 15000 4000 8000 1000 15000 ANSWER DOWNLOAD EXAMIANS APP
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