Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Only moving blades Only fixed blades Identical fixed and moving blades Fixed and moving blades of different shape Only moving blades Only fixed blades Identical fixed and moving blades Fixed and moving blades of different shape ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference of supersaturated temperature and saturation temperature at that pressure is called None of the listed here Degree of super-saturation Degree of superheat Degree of under-cooling None of the listed here Degree of super-saturation Degree of superheat Degree of under-cooling ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio (p₂/p₁) is given by (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases Less than wet bulb temperature of flue gases Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases Less than wet bulb temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C. 60°C 40°C 100°C 0°C 60°C 40°C 100°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of superheated tubes in a locomotive boiler is 31 mm 13 mm 230 mm 130 mm 31 mm 13 mm 230 mm 130 mm ANSWER DOWNLOAD EXAMIANS APP
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