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 188 m/s 900 m/s 450 m/s 79 m/s 188 m/s 900 m/s 450 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler 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 Could be raised at fast/slow rate depending on design ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific volume of steam with increase in pressure decreases Rapidly first and then slowly Linearly Inversely Slowly first and then rapidly Rapidly first and then slowly Linearly Inversely Slowly first and then rapidly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity decreases Velocity remains constant Pressure remains constant Velocity increases Velocity decreases Velocity remains constant Pressure remains constant Velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to heat feed water by utilizing the heat in me exhaust flue gases before leaving through the chimney, is known as Fusible plug Superheater Economizer Stop valve Fusible plug Superheater Economizer Stop valve ANSWER DOWNLOAD EXAMIANS APP
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