Fuels and Combustion In low temperature carbonisation of coal, the Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Yield of tar is about 3% of dry coal Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Yield of tar is about 3% of dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 20 5 35 10 20 5 35 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Natural gas Wood charcoal Gasoline Blast furnace coke Natural gas Wood charcoal Gasoline Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Soft coke Very low calorific value coke oven gas No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas No by-products Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 80 and 97 95 and 100 40 and 70 25 and 97 80 and 97 95 and 100 40 and 70 25 and 97 ANSWER DOWNLOAD EXAMIANS APP
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