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. Gasification Carbonisation None of these Hydrogenation Gasification Carbonisation None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% Fixed carbon and having a heat value of 13, 200 BTU/1b Ash and a heating value of 13, 200 BTU/1b None of these Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b Ash and a heating value of 13, 200 BTU/1b None of these Fixed carbon and a heating value of 132 BTU/1b ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number increases Calorific value increases Swelling number decreases Bulk density decreases Swelling number increases Calorific value increases Swelling number decreases Bulk density decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 500 6500 1500 20000 500 6500 1500 20000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Refinery gas Blast furnace gas Petrol Pitch Refinery gas Blast furnace gas Petrol Pitch ANSWER DOWNLOAD EXAMIANS APP