Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 700-850°C 500-600°C Atmospheric temperature 950-1100°C 700-850°C 500-600°C Atmospheric temperature 950-1100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water and sediment in fuel oil can be removed by Suspension Cooling the oil in the settling tanks Burning the oil Heating the oil in the settling tanks Suspension Cooling the oil in the settling tanks Burning the oil Heating the oil in the settling tanks ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of shell of a Locomotive boiler is 3 m 1 m 4 m 2 m 3 m 1 m 4 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Handling and maintenance should be easier Approach temperature should be as low as possible Heat transfer area should be optimum Stack gases should not be cooled to the dew point Handling and maintenance should be easier Approach temperature should be as low as possible Heat transfer area should be optimum Stack gases should not be cooled to the dew point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will May improve/worsen depending on size Remain unaffected Worsen Improve May improve/worsen depending on size Remain unaffected Worsen Improve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The working pressure range for a LaMont boiler is 2.5 to 15 MN/m² 1 to 15 MN/m² 3.5 to 20 MN/m² 0.5 to 10 MN/m² 2.5 to 15 MN/m² 1 to 15 MN/m² 3.5 to 20 MN/m² 0.5 to 10 MN/m² ANSWER DOWNLOAD EXAMIANS APP