Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Zero Minimum Depends on temperature also Maximum Zero Minimum Depends on temperature also Maximum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Same value Higher value Lower value Lower/higher depending on steam flow Same value Higher value Lower value Lower/higher depending on steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative heat absorption for successively added equal areas of boiler convection heating surfaces Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 4.75 mm 7.45 mm 47.5 mm 5.47 mm 4.75 mm 7.45 mm 47.5 mm 5.47 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To indicate the water level inside the boiler to an observer To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To indicate the water level inside the boiler to an observer To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Can be raised rapidly Could be raised at fast/slow rate depending on design Is raised at slower rate Is raised at same rate Can be raised rapidly Could be raised at fast/slow rate depending on design Is raised at slower rate Is raised at same rate ANSWER DOWNLOAD EXAMIANS APP