Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught may be produced by a A steam jet Chimney All of these Mechanical fan A steam jet Chimney All of these Mechanical fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Mode of steam action All of these Number of stages Direction of steam flow Mode of steam action All of these Number of stages Direction of steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Same value Higher value Lower value Lower/higher depending on steam flow Same value Higher value Lower value Lower/higher depending on steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) T1 /176.5H T1 /88.25H 88.25H/T1 176.5H/T1 T1 /176.5H T1 /88.25H 88.25H/T1 176.5H/T1 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 6.25 mm 62.5 mm 92.5 mm 72.5 mm 6.25 mm 62.5 mm 92.5 mm 72.5 mm ANSWER DOWNLOAD EXAMIANS APP
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