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 For maximum discharge through a chimney, its height should be More than 105.7 metres 200 meters Equal to the height of the hot gas column producing draught Infinitely long More than 105.7 metres 200 meters Equal to the height of the hot gas column producing draught Infinitely long ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 11 20 38 2 11 20 38 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by High temperature carbonisation Low temperature carbonisation Medium temperature carbonisation Heating the coal in an oven in presence of air High temperature carbonisation Low temperature carbonisation Medium temperature carbonisation Heating the coal in an oven in presence of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Only CO Both CO and CO₂ Both CO and O₂ All of these Only CO Both CO and CO₂ Both CO and O₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil Bubbling it through dilute sulphuric acid Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil Bubbling it through dilute sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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