Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure + atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Under-damping Over-damping None of these Choked Under-damping Over-damping None of these Choked ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The behavior of coal in a furnace is determined by The proximate analysis The exact analysis The content of ash and heating value The content of sulphur The proximate analysis The exact analysis The content of ash and heating value The content of sulphur ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 160/3 m/s 640/3 m/s 640 m/s 320/3 m/s 160/3 m/s 640/3 m/s 640 m/s 320/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance Frictional losses Leakage It is not possible to achieve 0°K temperature Non availability of ideal substance Frictional losses Leakage It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
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