Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease specific volume of steam Decrease dryness fraction of steam Increase the entropy Increase the heat drop Decrease specific volume of steam Decrease dryness fraction of steam Increase the entropy Increase the heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Curtis turbine is a Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Flue gases pass through tubes and water around it Change in enthalpy Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Flue gases pass through tubes and water around it Change in enthalpy Water passes through the tubes and flue gases around it Work is done during adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 225.65 kgf/ cm² 100 kgf/ cm² 1 kgf/ cm² 273 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² 1 kgf/ cm² 273 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to None of these pa + ps ps - pa pa - ps None of these pa + ps ps - pa pa - ps ANSWER DOWNLOAD EXAMIANS APP
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