Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity increases Pressure remains constant Velocity decreases Velocity remains constant Velocity increases Pressure remains constant Velocity decreases Velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Decreased work output per unit mass of steam Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam pressure remains constant Steam enthalpy remains constant Steam entropy remains constant Steam temperature remains constant Steam pressure remains constant Steam enthalpy remains constant Steam entropy remains constant Steam temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 1.67 0.67 0.4 0.56 1.67 0.67 0.4 0.56 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Internal efficiency Rankine efficiency Stage efficiency Reheat factor Internal efficiency Rankine efficiency Stage efficiency Reheat factor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Change in enthalpy Work done during adiabatic expansion Work done during compression Work done during the Rankine cycle Change in enthalpy Work done during adiabatic expansion Work done during compression Work done during the Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
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