Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 15 to 20% 30 to 40% 20 to 30% 10 to 15% 15 to 20% 30 to 40% 20 to 30% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a High pressure and a high velocity Low pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity High pressure and a high velocity Low pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A boiler in India should conform to safety regulations of IBR BS DIN ASTM IBR BS DIN ASTM ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Increases the efficiency of the turbine Reduces wear on the blades All of these Increases the work-done through the turbine Increases the efficiency of the turbine Reduces wear on the blades All of these Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is More Less Less or more depending on size of boiler Same More Less Less or more depending on size of boiler Same ANSWER DOWNLOAD EXAMIANS APP