Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about Same as that of coal middling 8800 kcal/kg 25000 kcal/kg 8800 kcal/m³ Same as that of coal middling 8800 kcal/kg 25000 kcal/kg 8800 kcal/m³ 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 Gas yield is less Ignition temperature of coke produced is less Tar yield is more Aromatic content of tar produced is more Gas yield is less Ignition temperature of coke produced is less Tar yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Incomplete combustion Dry gas/stack gas loss All of these Moisture loss Incomplete combustion Dry gas/stack gas loss All of these Moisture loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Provide trouble free operation Ensure its complete combustion Facilitate easy ash removal Enhance its calorific value Provide trouble free operation Ensure its complete combustion Facilitate easy ash removal Enhance its calorific value 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 Hydrogenation None of these Carbonisation Gasification Hydrogenation None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Natural gas LPG Producer gas Sewage gas Natural gas LPG Producer gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP