Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 90-95% 85-90% 78-81% 81-85% 90-95% 85-90% 78-81% 81-85% 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 Is unpredictable Increases Decreases Remains the same Is unpredictable Increases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 282 kW 296 kW 260 kW 302 kW 282 kW 296 kW 260 kW 302 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative heat absorption for successively added equal areas of boiler convection heating surfaces Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Both (A) and (B) Change in axial velocity None of these Pressure drop across the rotor Both (A) and (B) Change in axial velocity None of these Pressure drop across the rotor ANSWER DOWNLOAD EXAMIANS APP