Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 10000 4500 1800 800 10000 4500 1800 800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Carbonisation Coalification Gasification Oxidation Carbonisation Coalification Gasification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 50 500 10 0.5 50 500 10 0.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Does not affect its consumption in the furnace Increases its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Does not affect its consumption in the furnace Increases its consumption in the furnace 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
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