Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Yield of ammonia is less Aromatic content of tar is low Calorific value of the coke oven gas is lower H₂ content in the coke oven gas is more Yield of ammonia is less Aromatic content of tar is low Calorific value of the coke oven gas is lower H₂ content in the coke oven gas is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 35 55 80 20 35 55 80 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Same as Higher than Lower than None of these Same as Higher than Lower than None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Has higher calorific value Is not subjected to washing Is harder and stronger Has low quantity of mineral matter Has higher calorific value Is not subjected to washing Is harder and stronger Has low quantity of mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be High Very high, if the fuel is of low calorific value Low None of these High Very high, if the fuel is of low calorific value Low None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Both A and B Neither A nor B Maximum 200 tons should be stored in a heap Height of the coal heap should be < 3 metres Both A and B Neither A nor B Maximum 200 tons should be stored in a heap Height of the coal heap should be < 3 metres ANSWER DOWNLOAD EXAMIANS APP