Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 1 to 1.25 m 2 to 4 m 1.75 to 2.75 m 1 to 1.75 m 1 to 1.25 m 2 to 4 m 1.75 to 2.75 m 1 to 1.75 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power generated in the engine cylinder is called Brake power Frictional power Indicated power None of these Brake power Frictional power Indicated power None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At which pressure the properties of water and steam become identical 0.1 kg/cm² 225.6 kg/cm² 1 kg/cm² 100 kg/cm² 0.1 kg/cm² 225.6 kg/cm² 1 kg/cm² 100 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Retards electric precipitation Promotes complete combustion Has high heating value Has highly corrosive effect Retards electric precipitation Promotes complete combustion Has high heating value Has highly corrosive effect ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical Both (A) and (B) To withstand the pressure of steam inside the boiler To give maximum space and strength None of these Both (A) and (B) To withstand the pressure of steam inside the boiler To give maximum space and strength None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS