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% 30 to 40% 10 to 15% 15 to 20% 20 to 30% 30 to 40% 10 to 15% 15 to 20% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Specific volume of steam Dryness fraction of steam All of these Velocity of steam Specific volume of steam Dryness fraction of steam All of these Velocity of steam 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 Atmospheric pressure 5 kg/cm² 7580 kg/cm² 10 kg/cm² Atmospheric pressure 5 kg/cm² 7580 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The radius of a dished head is taken approximately as One fourth Two Half One One fourth Two Half One ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Wet steam Water Dry steam Super heated steam Wet steam Water Dry steam Super heated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle ANSWER DOWNLOAD EXAMIANS APP