Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Dead weight safety valve High steam and low water safety valve Spring loaded safety valve Lever safety valve Dead weight safety valve High steam and low water safety valve Spring loaded safety valve Lever safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam pressure remains constant Steam entropy remains constant Steam temperature remains constant Steam enthalpy remains constant Steam pressure remains constant Steam entropy remains constant Steam temperature remains constant Steam enthalpy remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 65.5 mm, 210 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 65.5 mm, 210 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 47.5 mm, 130 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) 1/(I.P) I.P. 1/(I.P)² (I.P.)² 1/(I.P) I.P. 1/(I.P)² (I.P.)² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become Dry Superheated Wet Remain dry saturated Dry Superheated Wet Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt ANSWER DOWNLOAD EXAMIANS APP
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