Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Heat energy of steam into potential energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam Heat energy of steam into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 157 fire tubes and 24 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 157 fire tubes and 24 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Superheated Wet Dry Remain dry saturated Superheated Wet Dry Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Change in enthalpy Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Work is done during adiabatic expansion Change in enthalpy Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Work is done during adiabatic expansion 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 Velocity decreases Pressure remains constant Velocity increases Velocity remains constant Velocity decreases Pressure remains constant Velocity increases 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 640/3 m/s 640 m/s 160/3 m/s 320/3 m/s 640/3 m/s 640 m/s 160/3 m/s 320/3 m/s ANSWER DOWNLOAD EXAMIANS APP
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