Fuels and Combustion A good coking coal should have high __________ content. Moisture Ash None of these Sulphur & phosphorus Moisture Ash None of these Sulphur & phosphorus ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Tends to shorten the flame Lengthens the flame Does not affect the flame length Increases the flame temperature Tends to shorten the flame Lengthens the flame Does not affect the flame length Increases the flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its None of these Calorific value Oxygen content Caking power None of these Calorific value Oxygen content Caking power ANSWER DOWNLOAD EXAMIANS APP
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 12.5 10 20 0 12.5 10 20 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? Sewage gas and gobar gas Propane and LPG F. gas and coke oven gas Propane and acetylene Sewage gas and gobar gas Propane and LPG F. gas and coke oven gas Propane and acetylene ANSWER DOWNLOAD EXAMIANS APP
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