Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Reduce fuel consumption Superheat the steam All of the listed here Increase steam pressure Reduce fuel consumption Superheat the steam All of the listed here Increase steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is Below atmospheric pressure 225.6 kg/cm² 100 kg/cm² 1 kg/cm² Below atmospheric pressure 225.6 kg/cm² 100 kg/cm² 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam under ideal conditions takes place at constant Enthalpy Pressure Entropy Temperature Enthalpy Pressure Entropy Temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which 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 Water passes through the tubes and flue gases around it Tubes are laid vertically ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 500-600°C 950-1100°C 700-850°C Atmospheric temperature 500-600°C 950-1100°C 700-850°C Atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP