Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 21 48 40 5 21 48 40 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Ash Volatile matter Free impurities Inherent mineral matter Ash Volatile matter Free impurities Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Aromatic content of tar is low Yield of ammonia is less Calorific value of the coke oven gas is lower Hâ‚‚ content in the coke oven gas is more Aromatic content of tar is low Yield of ammonia is less Calorific value of the coke oven gas is lower Hâ‚‚ content in the coke oven gas is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Smaller height chimney can be used All of these Furnace control is easier Combustion of fuel is complete Smaller height chimney can be used All of these Furnace control is easier Combustion of fuel is complete ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Difference in gross & net calorific value Higher C/H ratio Calorific value Sulphur content Difference in gross & net calorific value Higher C/H ratio Calorific value Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Thick fire bed and preheated primary air All of these Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air All of these Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP