Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 6 kg/cm 1 kg/cm 100 kg/cm² 17 kg/cm² 6 kg/cm 1 kg/cm 100 kg/cm² 17 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is More Equal Could be more or less depending on the size of plant Less More Equal Could be more or less depending on the size of plant Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Balanced draught Induced draught Natural draught Forced draught Balanced draught Induced draught Natural draught Forced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Less than wet bulb temperature of flue gases 100°C Above dew point temperature of flue gases Below dew point temperature of flue gases Less than wet bulb temperature of flue gases 100°C Above dew point temperature of flue gases Below dew point temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Take care of failure in shear Provide support for boiler Take care of failure in compression Prevent flat surfaces under pressure from tearing apart Take care of failure in shear Provide support for boiler Take care of failure in compression Prevent flat surfaces under pressure from tearing apart ANSWER DOWNLOAD EXAMIANS APP