Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is All of these Less reactive Stronger Smaller in size All of these Less reactive Stronger Smaller in size ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 12.5 20 0 10 12.5 20 0 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 1500 100 1000 500 1500 100 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Has low quantity of mineral matter Is not subjected to washing Is harder and stronger Has higher calorific value Has low quantity of mineral matter Is not subjected to washing Is harder and stronger Has higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 50 70 85 100 50 70 85 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Always loss of heat from the flame Both A & B No possibility of obtaining complete combustion at high temperature Neither A nor B Always loss of heat from the flame Both A & B No possibility of obtaining complete combustion at high temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP