Fuels and Combustion A good coking coal should have high __________ content. Ash None of these Sulphur & phosphorus Moisture Ash None of these Sulphur & phosphorus Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Calorific value of coke oven gas is less Coke oven gas yield is more All of these Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less Coke oven gas yield is more All of these Tar yield is less but free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Long flame Condensation of water vapour from the fuel gas None of these Heat losses Long flame Condensation of water vapour from the fuel gas None of these Heat losses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C Low production of CO₂ High production of CO High production of CO₂ Both B and C Low production of CO₂ High production of CO High production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 5 21 48 40 5 21 48 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Higher C/H ratio Difference in gross & net calorific value Calorific value Sulphur content Higher C/H ratio Difference in gross & net calorific value Calorific value Sulphur content ANSWER DOWNLOAD EXAMIANS APP
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