Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 360 kJ 3600 kW/sec 1000 J 3600 kJ 360 kJ 3600 kW/sec 1000 J 3600 kJ 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, p₂) will be 3.3 bar 9.9 bar 5.46 bar 8.2 bar 3.3 bar 9.9 bar 5.46 bar 8.2 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Below dew point temperature of flue gases 100°C Less than wet bulb temperature of flue gases Above dew point temperature of flue gases Below dew point temperature of flue gases 100°C Less than wet bulb temperature of flue gases Above dew point temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become Remain dry saturated Dry Wet Superheated Remain dry saturated Dry Wet Superheated 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 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 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP