Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the heat drop Decrease dryness fraction of steam Decrease specific volume of steam Increase the entropy Increase the heat drop Decrease dryness fraction of steam Decrease specific volume of steam Increase the entropy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Relative velocity at the inlet of the moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A valve installed between the boiler and the feed pump is Feed check valve Blow off cock Steam stop valve None of these Feed check valve Blow off cock Steam stop valve None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The missing quantity per stroke is equal to Cylinder feed + indicated mass of steam Mass of cushion steam + cylinder feed Mass of cushion steam + indicated mass of steam Cylinder feed indicated mass of steam Cylinder feed + indicated mass of steam Mass of cushion steam + cylinder feed Mass of cushion steam + indicated mass of steam Cylinder feed indicated mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Stage efficiency None of these Internal efficiency Rankine efficiency Stage efficiency None of these Internal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Depends on temperature also Minimum Zero Maximum Depends on temperature also Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
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