Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Stop valve Safety valve Blow off cock Fusible plug Stop valve Safety valve Blow off cock Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency Carnot cycle efficiency All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency Carnot cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called None of these Blow off cock Superheater Stop valve None of these Blow off cock Superheater Stop valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating of dry steam above saturation temperature is known as Enthalpy Superheating Latent heat Super saturation Enthalpy Superheating Latent heat Super saturation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Pump feed water Create vacuum at turbine exhaust Create vacuum in furnace Dose chemicals in feed water Pump feed water Create vacuum at turbine exhaust Create vacuum in furnace Dose chemicals in feed water ANSWER DOWNLOAD EXAMIANS APP
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