Fuels and Combustion Pick out the wrong statement. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Cyclone separator Wet packed scrubber Washing with monoethanolamine Electrostatic precipitator Cyclone separator Wet packed scrubber Washing with monoethanolamine Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Used in blast furnaces None of these A domestic fuel Produced by low temperature carbonisation of coal Used in blast furnaces None of these A domestic fuel Produced by low temperature carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are CO₂, O₂ & CO CO, H₂ & CH₄ H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ H₂, CmHn & CO₂ N₂, H₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1400 1100 1250 1350 1400 1100 1250 1350 ANSWER DOWNLOAD EXAMIANS APP
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