Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air Low forced draught and fuel bed temperature All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air Low forced draught and fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Oxygen Hydrogen Sulphur Carbon Oxygen Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat' coal means a coal having Low calorific value High volatile matter Non smoking tendency Low ash content Low calorific value High volatile matter Non smoking tendency Low ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °C 200 °R 200 °K 200 °F 200 °C 200 °R 200 °K 200 °F ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if Smaller fines are stored in large quantity All of these It is stored in tall heaps It contains large amount of volatile matter Smaller fines are stored in large quantity All of these It is stored in tall heaps It contains large amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
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