Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Increases Remains the same Is unpredictable Decreases Increases Remains the same Is unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 900 m/s 450 m/s 79 m/s 188 m/s 900 m/s 450 m/s 79 m/s 188 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Amount of water evaporated per hour All of the listed here Steam produced in kg/h Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour All of the listed here Steam produced in kg/h Steam produced in kg/kg of fuel burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Less radiation loss More calorific value Medium sized units Better burning Less radiation loss More calorific value Medium sized units Better burning ANSWER DOWNLOAD EXAMIANS APP
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 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 Supplied mounted on a single base Packaged boiler does not exist Supplied by same manufacturer loose and assembled at site ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease specific volume of steam Increase the heat drop Increase the entropy Decrease dryness fraction of steam Decrease specific volume of steam Increase the heat drop Increase the entropy Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
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