Steam Boilers, Engines, Nozzles and Turbines Curtis turbine is a Pressure-velocity compounded turbine Simple reaction turbine Velocity compounded turbine Pressure compounded turbine Pressure-velocity compounded turbine Simple reaction turbine Velocity compounded turbine Pressure compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Cavitation of boiler feed pumps Heat transfer coefficient Corrosion caused by oxygen pH value of water Cavitation of boiler feed pumps Heat transfer coefficient Corrosion caused by oxygen pH value of water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on weight basis is 0.4 0.21 0.23 0.3 0.4 0.21 0.23 0.3 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h × hf1)/2257 None of these (h + hf1)/2257 (h - hf1)/2257 (h × hf1)/2257 None of these (h + hf1)/2257 (h - hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Water passes through the tubes and flue gases around it Tubes are laid vertically Forced circulation takes place Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Tubes are laid vertically Forced circulation takes place Flue gases pass through tubes and water around it ANSWER DOWNLOAD EXAMIANS APP