Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Velocity of steam Specific volume of steam All of these Dryness fraction of steam Velocity of steam Specific volume of steam All of these Dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the Steam evaporation rate per kg of fuel fired Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Increases the efficiency of the boiler Enables low grade fuel to be burnt Increases evaporative capacity of the boiler All of these Increases the efficiency of the boiler Enables low grade fuel to be burnt Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tubes in Cochran boiler is of the order of 2 cm 8 cm 12 cm 6 cm 2 cm 8 cm 12 cm 6 cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.75 0.5 0.9 0.4 0.75 0.5 0.9 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The state of vapor under saturation condition is described by Temperature alone Pressure alone Pressure and dryness fraction Pressure and temperature Temperature alone Pressure alone Pressure and dryness fraction Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP