Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the moving blades, Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure increases while velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Equal to Lower than Higher than None of these Equal to Lower than Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. None of these Decreases Increases Has no effect on None of these Decreases Increases Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 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 450 m/s 188 m/s 79 m/s 900 m/s 450 m/s 188 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
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