Steam Boilers, Engines, Nozzles and Turbines A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are Supplied mounted on a single base Packaged boiler does not exist Supplied by same manufacturer loose and assembled at site Purchased from several parties and packed together at site Supplied mounted on a single base Packaged boiler does not exist Supplied by same manufacturer loose and assembled at site Purchased from several parties and packed together at site 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 = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Reduces its volume Lowers the boiling point of a liquid Does not affects the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume Lowers the boiling point of a liquid Does not affects the boiling point of a liquid Raises the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The saturation temperature of steam with increase in pressure increases Slowly first and then rapidly Linearly Inversely Rapidly first and then slowly Slowly first and then rapidly Linearly Inversely Rapidly first and then slowly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Decreases Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here 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. 60° 270° 180° 90° 60° 270° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
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