Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic At the throat of the nozzle At the entrance to the nozzle In the convergent portion of the nozzle In the divergent portion of the nozzle At the throat of the nozzle At the entrance to the nozzle In the convergent portion of the nozzle In the divergent portion of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat More than the velocity of sound Equal to the velocity of sound Less than the velocity of sound None of these More than the velocity of sound Equal to the velocity of sound Less than the velocity of sound None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter and length of locomotive boiler are 1.5 m, 4 m 1.5 m, 6 m 1 m, 4 m 2 m, 4 m 1.5 m, 4 m 1.5 m, 6 m 1 m, 4 m 2 m, 4 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Measuring carbon monoxide in flue gases Excess air in flue gases Measuring temperature of flue gases at exit of furnace Smoky chimney exit Measuring carbon monoxide in flue gases Excess air in flue gases Measuring temperature of flue gases at exit of furnace Smoky chimney exit 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 None of these Convergent-divergent nozzle Divergent nozzle Convergent nozzle None of these Convergent-divergent nozzle Divergent nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Power of the boiler Efficiency of the boiler Efficiency of the chimney Efficiency of the fan Power of the boiler Efficiency of the boiler Efficiency of the chimney Efficiency of the fan ANSWER DOWNLOAD EXAMIANS APP
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