Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.25 to 2.25 m 1.75 to 2.75 m 1.5 to 2.5 m 1 to 2 m 1.25 to 2.25 m 1.75 to 2.75 m 1.5 to 2.5 m 1 to 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 10.05 1.05 6.65 2.86 10.05 1.05 6.65 2.86 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is a Mobile fire tube boiler Stationary fire tube boiler Stationary water tube boiler Water tube boiler with natural/forced circulation Mobile fire tube boiler Stationary fire tube boiler Stationary water tube boiler Water tube boiler with natural/forced circulation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of heat actually used in producing steam to the heat liberated in the furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP