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 188 m/s 450 m/s 900 m/s 79 m/s 188 m/s 450 m/s 900 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things It increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 70 percent 50 percent 40 percent 60 percent 70 percent 50 percent 40 percent 60 percent ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.3 0.15 0.2 0.45 0.3 0.15 0.2 0.45 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Dryness fraction only Temperature only Pressure only Pressure and dryness fraction Dryness fraction only Temperature only Pressure only Pressure and dryness fraction ANSWER DOWNLOAD EXAMIANS APP
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