Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic At the entrance to the nozzle In the divergent portion of the nozzle In the convergent portion of the nozzle At the throat of the nozzle At the entrance to the nozzle In the divergent portion of the nozzle In the convergent portion of the nozzle At the throat of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 700-850°C Atmospheric temperature 500-600°C 950-1100°C 700-850°C Atmospheric temperature 500-600°C 950-1100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Depends on temperature also Zero Minimum Maximum Depends on temperature also Zero Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p₂) will be 9.9 bar 3.3 bar 5.46 bar 8.2 bar 9.9 bar 3.3 bar 5.46 bar 8.2 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? Peat Non-coking bituminous coal None of the listed here Brown coal Peat Non-coking bituminous coal None of the listed here Brown coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Dryness fraction only Pressure and dryness fraction Pressure only Temperature only Dryness fraction only Pressure and dryness fraction Pressure only Temperature only ANSWER DOWNLOAD EXAMIANS APP
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