Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt Increases the efficiency of the boiler Increases evaporative capacity of the boiler All of these Enables low grade fuel to be burnt Increases the efficiency of the boiler Increases evaporative capacity of the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Nozzle efficiency Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency Boiler efficiency Condenser efficiency Vacuum efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then There is a pressure drop in the nozzle Pressure drops and fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle Fluid flows through the nozzle There is a pressure drop in the nozzle Pressure drops and fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle Fluid flows through the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases None of these Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is None of these To indicate the water level inside the boiler to an observer To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To measure pressure of steam inside the steam boiler None of these To indicate the water level inside the boiler to an observer To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To measure pressure of steam inside the steam boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Overall efficiency Indicated thermal efficiency Mechanical efficiency Brake thermal efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Brake thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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