Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Fusible plug Water level indicator Safety valve Pressure gauge Fusible plug Water level indicator Safety valve Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a single acting steam engine The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum steam pressure in a Locomotive boiler is limited to 0.18 MN/m² 1.8 MN/m² 180 MN/m² 18 MN/m² 0.18 MN/m² 1.8 MN/m² 180 MN/m² 18 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.56 1.67 0.67 0.4 0.56 1.67 0.67 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be 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 Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon The power required and working pressure The fuel and water available All of these The geographical position of the power house The power required and working pressure The fuel and water available All of these The geographical position of the power house ANSWER DOWNLOAD EXAMIANS APP
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