Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? All of these The efficiency of steam turbine is higher The steam consumption is less A steam turbine develops higher speeds All of these The efficiency of steam turbine is higher The steam consumption is less A steam turbine develops higher speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 20 to 30% 10 to 15% 30 to 40% 15 to 20% 20 to 30% 10 to 15% 30 to 40% 15 to 20% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Resist intense heat in fire box Withstand pressure inside boiler Give maximum strength Give maximum space Resist intense heat in fire box Withstand pressure inside boiler Give maximum strength Give maximum space ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Power of a boiler Equivalent evaporation Factor of evaporation Boiler efficiency Power of a boiler Equivalent evaporation Factor of evaporation Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure boiler is one, which produces steam at a pressure more than 10 kg/cm² 7580 kg/cm² Atmospheric pressure 5 kg/cm² 10 kg/cm² 7580 kg/cm² Atmospheric pressure 5 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon All of these Velocity of steam Dryness fraction of steam Specific volume of steam All of these Velocity of steam Dryness fraction of steam Specific volume of steam ANSWER DOWNLOAD EXAMIANS APP
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