Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 1000 8000 4000 6000 1000 8000 4000 6000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Ash content Mineral matter content Both B and C Caking index Ash content Mineral matter content Both B and C Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low adiabatic flame temperature Very little ash content High fusion point of its ash Low ignition temperature Low adiabatic flame temperature Very little ash content High fusion point of its ash Low ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Ash Oxygen Volatile matter Fixed carbon Ash Oxygen Volatile matter Fixed carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. None of these Hydrogenation Gasification Carbonisation None of these Hydrogenation Gasification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Coke oven gas yield on carbonisation Ignition temperature Smoking tendency on burning Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Ignition temperature Smoking tendency on burning Chance of catching fire during storage in open space ANSWER DOWNLOAD EXAMIANS APP