Fuels and Combustion Caking index of a coal is a measure of its Abradability Agglutinating (binding) properties Reactivity Porosity Abradability Agglutinating (binding) properties Reactivity Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Carbonisation Deoxidation Gasification Coalification Carbonisation Deoxidation Gasification Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Oxygen Carbon monoxide Temperature Smoke Oxygen Carbon monoxide Temperature Smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CO CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Calorific value Difference in gross & net calorific value Higher C/H ratio Sulphur content Calorific value Difference in gross & net calorific value Higher C/H ratio Sulphur content ANSWER DOWNLOAD EXAMIANS APP
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