Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the Steam evaporation rate per kg of fuel fired The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition Steam evaporation rate per kg of fuel fired The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the economiser Before the superheater None of these Between the economiser and chimney Before the economiser Before the superheater None of these Between the economiser and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Neither static nor dynamic Static and dynamic Dynamic Static Neither static nor dynamic Static and dynamic Dynamic Static ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Behaves unpredictably Increases Decreases Remain same Behaves unpredictably Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded in moving blades only ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) None of the listed here ηS = ηB × ηN ηS = ηN / ηB ηS = ηB / ηN None of the listed here ηS = ηB × ηN ηS = ηN / ηB ηS = ηB / ηN ANSWER DOWNLOAD EXAMIANS APP
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