Steam Boilers, Engines, Nozzles and Turbines In order to reduce the rotor speed of an impulse turbine, the method employed is Velocity compounding All of these Pressure compounding Pressure-velocity compounding Velocity compounding All of these Pressure compounding Pressure-velocity compounding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption 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 Give maximum space Give maximum strength Withstand pressure inside boiler Resist intense heat in fire box Give maximum space Give maximum strength Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam enters the nozzle at a Low pressure and a high velocity High pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity Low pressure and a low velocity High pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Exit velocity of steam reduces Mass of the steam discharged increases All of these Entropy and specific volume of the steam increases Exit velocity of steam reduces Mass of the steam discharged increases All of these Entropy and specific volume of the steam increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 92.5 mm 72.5 mm 6.25 mm 62.5 mm 92.5 mm 72.5 mm 6.25 mm 62.5 mm ANSWER DOWNLOAD EXAMIANS APP