Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Behaves unpredictably Increases Decreases Remains constant Behaves unpredictably Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam enthalpy remains constant Steam temperature remains constant Steam entropy remains constant Steam pressure remains constant Steam enthalpy remains constant Steam temperature remains constant Steam entropy remains constant Steam pressure remains constant 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 79 m/s 450 m/s 188 m/s 900 m/s 79 m/s 450 m/s 188 m/s 900 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed None of these Before the economiser Before the superheater Between the economiser and chimney None of these Before the economiser Before the superheater Between the economiser and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 60° 180° 270° 90° 60° 180° 270° 90° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5 m 2.5 to 3.5 m 1.5 to 2 m None of these 3.5 to 4.5 m 2.5 to 3.5 m 1.5 to 2 m None of these ANSWER DOWNLOAD EXAMIANS APP
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