Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηN / ηB ηS = ηB / ηN None of the listed here ηS = ηB × ηN ηS = ηN / ηB ηS = ηB / ηN None of the listed here ηS = ηB × ηN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Both (A) and (B) Regeneration Cooling of steam Reheating of steam Both (A) and (B) Regeneration Cooling of steam Reheating of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Water Wet steam Super heated steam Dry steam Water Wet steam Super heated steam Dry steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse reaction turbine has its driving force None of the listed here As a reaction force Partly as an impulsive force and partly as a reaction force As an impulsive force None of the listed here As a reaction force Partly as an impulsive force and partly as a reaction force As an impulsive force ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.3 0.21 0.4 0.23 0.3 0.21 0.4 0.23 ANSWER DOWNLOAD EXAMIANS APP