Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% None of these Fixed carbon and having a heat value of 13, 200 BTU/1b Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b None of these Fixed carbon and having a heat value of 13, 200 BTU/1b Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be 200 meters Infinitely long More than 105.7 metres Equal to the height of the hot gas column producing draught 200 meters Infinitely long More than 105.7 metres Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Metallurgical coke Beehive coke Petroleum coke Foundary coke Metallurgical coke Beehive coke Petroleum coke Foundary coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 1-2 22-26 30-33 10-15 1-2 22-26 30-33 10-15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of tar is about __________ Kcal/kg. 12000 16000 5000 8800 12000 16000 5000 8800 ANSWER DOWNLOAD EXAMIANS APP