Fuels and Combustion A particular coal is said to be free burning when it Burns completely Shows little or no fusing action Gives smokeless burning None of these Burns completely Shows little or no fusing action Gives smokeless burning None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Pulverised coal in boilers Less air for combustion Correct amount of air for combustion Too much air for combustion Pulverised coal in boilers Less air for combustion Correct amount of air for combustion Too much air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have high porosity Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have low fusion point of its ash Should have high porosity Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 750 500 60 160 750 500 60 160 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Temperature maintained is 700°C Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Temperature maintained is 700°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ ANSWER DOWNLOAD EXAMIANS APP
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