Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Internal efficiency Stage efficiency None of these Rankine efficiency Internal efficiency Stage efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter of a Locomotive boiler is 1 m 2 m 1.5 m 2.5 m 1 m 2 m 1.5 m 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Decreases Is unpredictable Increases Remains the same Decreases Is unpredictable Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Water level indicator Safety valve Fusible plug Pressure gauge Water level indicator Safety valve Fusible plug Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.4 0.75 0.9 0.5 0.4 0.75 0.9 0.5 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Equal to unity Greater than unity None of these Less than unity Equal to unity Greater than unity None of these Less than unity ANSWER DOWNLOAD EXAMIANS APP