Steam Boilers, Engines, Nozzles and Turbines The reheat factor depends upon Initial pressure and superheat Exit pressure All of these Turbine stage efficiency Initial pressure and superheat Exit pressure All of these Turbine stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as Forced circulation boiler Externally fired boiler Natural circulation boiler Internally fired boiler Forced circulation boiler Externally fired boiler Natural circulation boiler Internally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Wet Dry Superheated Remain dry saturated Wet Dry Superheated Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure boiler is one, which produces steam at a pressure more than 7580 kg/cm² 5 kg/cm² 10 kg/cm² Atmospheric pressure 7580 kg/cm² 5 kg/cm² 10 kg/cm² Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 900 m/s 188 m/s 450 m/s 79 m/s 900 m/s 188 m/s 450 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
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