Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Does not change Increases Decreases None of these Does not change Increases Decreases None of these 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 Remains the same Decreases Increases Is unpredictable Remains the same Decreases Increases Is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 5.46 bar 3.3 bar 8.2 bar 9.9 bar 5.46 bar 3.3 bar 8.2 bar 9.9 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Control steam dome Avoid excessive build up of pressure Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit Control steam dome Avoid excessive build up of pressure Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Dryness fraction only Temperature only Pressure only Pressure and dryness fraction Dryness fraction only Temperature only Pressure only Pressure and dryness fraction ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.4 0.56 0.67 1.67 0.4 0.56 0.67 1.67 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS