Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port Steam enters at the centre and exhausts at the other end None of these Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port Steam enters at the centre and exhausts at the other end None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace By direct mixing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic In the divergent portion of the nozzle At the throat of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle In the divergent portion of the nozzle At the throat of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.6 to 0.8 kg 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.6 to 0.8 kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Ratio of brake power to the indicated power Ratio of thermal efficiency to Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power Ratio of thermal efficiency to Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Product of thermal efficiency and Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP