Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Equal to Higher than None of these Lower than Equal to Higher than None of these Lower than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Reduce hardness and for removal of solids Increase efficiency of thermal power plant Increase heat transfer rate Increase steam parameters Reduce hardness and for removal of solids Increase efficiency of thermal power plant Increase heat transfer rate Increase steam parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical To give maximum space and strength To withstand the pressure of steam inside the boiler None of these Both (A) and (B) To give maximum space and strength To withstand the pressure of steam inside the boiler None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity remains constant Pressure remains constant Velocity decreases Velocity increases Velocity remains constant Pressure remains constant Velocity decreases Velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals 760 mm of mercury Equals that of the surroundings Equals to atmospheric pressure Equals the pressure of water in the container Equals 760 mm of mercury Equals that of the surroundings Equals to atmospheric pressure Equals the pressure of water in the container ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the 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 Exit velocity of steam reduces Mass of the steam discharged increases ANSWER DOWNLOAD EXAMIANS APP
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