Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Caking index Swelling index Gray-king index Thickness of plastic layer Caking index Swelling index Gray-king index Thickness of plastic layer ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in All of these Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Fat coals Gaseous fuels Solid fuels Liquid fuels Fat coals Gaseous fuels Solid fuels Liquid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Increase the output of the coke Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation None of these Increase the output of the coke Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Ammonia yield is more Free carbon in tar is more All of these Aliphatic tar is produced Ammonia yield is more Free carbon in tar is more All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is H₂ C₂H₆ CH₄ (upto 90%) C₃H₈ H₂ C₂H₆ CH₄ (upto 90%) C₃H₈ ANSWER DOWNLOAD EXAMIANS APP
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