Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Neither A nor B Both A & B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Neither A nor B Both A & B 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? 70 85 100 50 70 85 100 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has All of these Higher reactivity Lower strength Lower bulk density All of these Higher reactivity Lower strength Lower bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.1 A M = 0.5 A M = 1.8 A M = A M = 1.1 A M = 0.5 A M = 1.8 A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Moisture content Colour Ash content Volatile matter Moisture content Colour Ash content Volatile matter ANSWER DOWNLOAD EXAMIANS APP