Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum strength Resist intense heat in fire box Give maximum space Withstand pressure inside boiler Give maximum strength Resist intense heat in fire box Give maximum space Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure increases while velocity decreases Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases 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 in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition 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 in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition 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 The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are Internally as well as externally fired None of these Internally fired Externally fired Internally as well as externally fired None of these Internally fired Externally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam engine operates on Carnot cycle Joule cycle Stirling cycle Brayton cycle Carnot cycle Joule cycle Stirling cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
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