Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁ + p₂ p₂/p₁ p₁. p₂ p₁/p₂ p₁ + p₂ p₂/p₁ p₁. p₂ p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands Wholly in nozzle Partly in the nozzle and partly in blades None of these Wholly in blades Wholly in nozzle Partly in the nozzle and partly in blades None of these Wholly in blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Benson boiler requires Three drums One drum Two drums No drum Three drums One drum Two drums No drum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of reheat steam after passing through reheater compared to inlet condition is Equal More May be more or less depending on capacity of reheater Less Equal More May be more or less depending on capacity of reheater Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Lancashire boiler varies from 6 to 7 m 7.25 to 9 m 9 to 10 m 5 to 6 m 6 to 7 m 7.25 to 9 m 9 to 10 m 5 to 6 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum in furnace Create vacuum at turbine exhaust Dose chemicals in feed water Pump feed water Create vacuum in furnace Create vacuum at turbine exhaust Dose chemicals in feed water Pump feed water ANSWER DOWNLOAD EXAMIANS APP