Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing exhaust pressure Decreasing exhausts pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Increasing exhaust pressure Decreasing exhausts pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Change in axial velocity None of these Both (A) and (B) Pressure drop across the rotor Change in axial velocity None of these Both (A) and (B) Pressure drop across the rotor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To convert heat energy of the steam into mechanical work To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To convert heat energy of the steam into mechanical work To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Has highly corrosive effect Retards electric precipitation Has high heating value Promotes complete combustion Has highly corrosive effect Retards electric precipitation Has high heating value Promotes complete combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of diagram factor depends upon Initial conditions of steam Back pressure Initial pressure of steam All of these Initial conditions of steam Back pressure Initial pressure of steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is Less Same Could be more or less depending on other factors More Less Same Could be more or less depending on other factors More ANSWER DOWNLOAD EXAMIANS APP
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