Fuels and Combustion Low temperature carbonisation Is mainly for producing the smokeless domestic coke Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Produces higher quantity of gas than high temperature carbonisation Is mainly for producing the smokeless domestic coke Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Produces higher quantity of gas than high temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation None of these Have a very high calorific value Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation None of these Have a very high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Foundary coke Metallurgical coke Petroleum coke Beehive coke Foundary coke Metallurgical coke Petroleum coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of Humic coals Liptobiolites Sapropelic coals None of these Humic coals Liptobiolites Sapropelic coals None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Is not undersirable Badly affects the quality of steel Reduces its calorific value Increases its caking power Is not undersirable Badly affects the quality of steel Reduces its calorific value Increases its caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + 2H₂O ⟷ CO₂ + 2H₂ C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ ANSWER DOWNLOAD EXAMIANS APP
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