Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To indicate the water level inside the boiler to an observer None of these To measure pressure of steam inside the steam boiler To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To indicate the water level inside the boiler to an observer None of these To measure pressure of steam inside the steam boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a Convergent nozzle Divergent nozzle None of these Convergent-divergent nozzle Convergent nozzle Divergent nozzle None of these Convergent-divergent nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The chimney draught varies with Height of chimney Climatic conditions Temperature of furnace gases All of these Height of chimney Climatic conditions Temperature of furnace gases All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Equal to the height of the hot gas column producing draught Around 200 meters Infinitely long Outside temperature is very low Equal to the height of the hot gas column producing draught Around 200 meters Infinitely long Outside temperature is very low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Create vacuum Add make up water in the system Pump water, similar to boiler feed pump Inject chemical solution in feed pump Create vacuum Add make up water in the system Pump water, similar to boiler feed pump Inject chemical solution in feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 950-1100°C 700-850°C Atmospheric temperature 500-600°C 950-1100°C 700-850°C Atmospheric temperature 500-600°C ANSWER DOWNLOAD EXAMIANS APP
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