Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a All of these Safety valve Pressure gauge Water level indicator All of these Safety valve Pressure gauge Water level indicator ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure and velocity both decreases Pressure increases while velocity decreases Pressure and velocity both increases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure increases while velocity decreases Pressure and velocity both increases Pressure decreases while velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will Cool down Flash i.e. get converted into steam Boil Remain as it was Cool down Flash i.e. get converted into steam Boil Remain as it was ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel All of these To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Could be raised at fast/slow rate depending on design Is raised at same rate Can be raised rapidly Is raised at slower rate Could be raised at fast/slow rate depending on design Is raised at same rate Can be raised rapidly Is raised at slower rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) ANSWER DOWNLOAD EXAMIANS APP
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