Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 10 atmospheres 40 atmospheres 30 atmospheres 20 atmospheres 10 atmospheres 40 atmospheres 30 atmospheres 20 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A closed vessel made of steel and used for the generation of steam is called a Steam condenser Steam boiler Steam injector Steam turbine Steam condenser Steam boiler Steam injector Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Reduces back pressure of steam All of these Increases expansion ratio of steam Reduces temperature of exhaust steam Reduces back pressure of steam All of these Increases expansion ratio of steam Reduces temperature of exhaust steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. None of these Increases Does not effect Decreases None of these Increases Does not effect Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.2 0.45 0.15 0.3 0.2 0.45 0.15 0.3 ANSWER DOWNLOAD EXAMIANS APP
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