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 Fire tube boilers are those in which Flue gases pass through tubes and water around it Tubes are laid vertically Forced circulation takes place Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Tubes are laid vertically Forced circulation takes place Water passes through the tubes and flue gases around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks 180° to each other 0° to each other None of these 90° to each other 180° to each other 0° to each other None of these 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.601 0.577 0.546 0.582 0.601 0.577 0.546 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Reciprocating pump Centrifugal pump Gear pump Axial flow pump Reciprocating pump Centrifugal pump Gear pump Axial flow pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum space Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength Give maximum space Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
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