Fuels and Combustion Which of the following has the highest flame speed? CO CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation 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
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Both A & B Neither A nor B Mature Young Both A & B Neither A nor B Mature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its caking power & calorific value Increase in its oxygen content All of these Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value Increase in its oxygen content All of these Decrease in its carbon & hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Smaller height chimney can be used Combustion of fuel is complete Furnace control is easier All of these Smaller height chimney can be used Combustion of fuel is complete Furnace control is easier All of these ANSWER DOWNLOAD EXAMIANS APP
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