Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 100 85 70 50 100 85 70 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Blast furnace gas and naphtha vapor Coke oven gas and converter gas F. gas and coke oven gas Coke oven gas and L.P.G Blast furnace gas and naphtha vapor Coke oven gas and converter gas F. gas and coke oven gas Coke oven gas and L.P.G ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Has a high volatile matter content and burns with a luminous smoky flame Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = A M = 1.1 A M = 1.8 A M = 0.5 A M = A M = 1.1 A M = 1.8 A M = 0.5 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Oxygen content Calorific value Caking power Hydrogen content Oxygen content Calorific value Caking power Hydrogen content ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS