Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? None of these H₂ CH₄ CO None of these H₂ CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 1150 550 950 750 1150 550 950 750 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coalification means the Process of conversion of lignite into anthracite Complete combustion of coal Direct hydrogenation of coal Underground gasification of coal Process of conversion of lignite into anthracite Complete combustion of coal Direct hydrogenation of coal Underground gasification of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 25, 000 10, 000 5000 15, 000 25, 000 10, 000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? Sewage gas and gobar gas Propane and LPG Propane and acetylene F. gas and coke oven gas Sewage gas and gobar gas Propane and LPG Propane and acetylene F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about One week Two weeks 12 hours 2-3 days One week Two weeks 12 hours 2-3 days ANSWER DOWNLOAD EXAMIANS APP