Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Pitch-cresosote mixture (PCM) Benzol Ethylene Napthalene Pitch-cresosote mixture (PCM) Benzol Ethylene Napthalene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases Calorific value of the coal increases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases Calorific value of the coal increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? LPG Gobar gas Natural gas Carburetted water gas LPG Gobar gas Natural gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 0.5 12 11.5 23 0.5 12 11.5 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is H₂ CO₂ CH₄ N₂ H₂ CO₂ CH₄ N₂ ANSWER DOWNLOAD EXAMIANS APP
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