Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 0 20 12.5 10 0 20 12.5 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? Lurgi Process Winkler process None of these Kopper-Totzek process Lurgi Process Winkler process None of these Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Calorific value Type (solid, liquid or gaseous) Ignition temperature Sulphur content Calorific value Type (solid, liquid or gaseous) Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of soft coke is as __________ fuel. Blastfurnace Domestic Foundary None of these Blastfurnace Domestic Foundary None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Volatile matter Ash content Colour Moisture content Volatile matter Ash content Colour Moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal All of these Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature All of these Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature ANSWER DOWNLOAD EXAMIANS APP
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