Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its caking power & calorific value All of these Increase in its oxygen content Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value All of these Increase in its oxygen content Decrease in its carbon & hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? None of these Natural gas Blast furnace gas Coke oven gas None of these Natural gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have Very low ash content (8-10%) High volatile matter content High caking index Low fusion point of ash Very low ash content (8-10%) High volatile matter content High caking index Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Natural gas Coke oven gas Water gas Blast furnace gas Natural gas Coke oven gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Volatiles Moisture Iron Ash Volatiles Moisture Iron Ash 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. None of these Gasification Hydrogenation Carbonisation None of these Gasification Hydrogenation Carbonisation ANSWER DOWNLOAD EXAMIANS APP