Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during the Rankine cycle Work done during adiabatic expansion Work done during compression Change in enthalpy Work done during the Rankine cycle Work done during adiabatic expansion Work done during compression Change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of whirl at outlet for an axial discharge turbine is Maximum Minimum Zero None of these Maximum Minimum Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A boiler in India should conform to safety regulations of IBR BS ASTM DIN IBR BS ASTM DIN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the Both (A) and (B) Water level in the boiler becomes too low Steam pressure exceeds the working pressure None of these Both (A) and (B) Water level in the boiler becomes too low Steam pressure exceeds the working pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The pressure and temperature of steam remains constant The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The pressure and temperature of steam remains constant The steam is expanded from a high pressure to a condenser pressure in one or more nozzles ANSWER DOWNLOAD EXAMIANS APP
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