Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Around 200 meters Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low Around 200 meters Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Fixed and moving blades of different shape Only fixed blades Only moving blades Identical fixed and moving blades Fixed and moving blades of different shape Only fixed blades Only moving blades Identical fixed and moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Prevent flat surfaces under pressure from tearing apart Take care of failure in shear Take care of failure in compression Provide support for boiler Prevent flat surfaces under pressure from tearing apart Take care of failure in shear Take care of failure in compression Provide support for boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases Less than wet bulb temperature of flue gases Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases Less than wet bulb temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average value of diagram factor lies between 0.65 to 0.9 0.8 to 1.2 0.2 to 0.5 0.5 to 0.65 0.65 to 0.9 0.8 to 1.2 0.2 to 0.5 0.5 to 0.65 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Over fire burning is the phenomenon of Supply of excess coal Supply of excess, air Fuel bed firing Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Supply of excess, air Fuel bed firing Burning CO and unburnt in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
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