Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Vacuum efficiency Nozzle efficiency Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency Boiler efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is None of these To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer None of these To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.546 0.601 0.577 0.582 0.546 0.601 0.577 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 90° 60° 270° 180° 90° 60° 270° 180° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The condition of steam in boiler drum is always Wet Supersaturated Dry Saturated Wet Supersaturated Dry Saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
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