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 8.2 bar 9.9 bar 5.46 bar 3.3 bar 8.2 bar 9.9 bar 5.46 bar 3.3 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge is __________ at critical pressure. None of these Maximum Minimum Zero None of these Maximum Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For water, at pressures below atmospheric; Melting point rises slightly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point rises slightly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly 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 Maximum Minimum Zero Depends on temperature also Maximum Minimum Zero Depends on temperature also ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Because sputtering, possibly extinguishing flame Keep the burner tips cool Clean the nozzles Aid in proper combustion Because sputtering, possibly extinguishing flame Keep the burner tips cool Clean the nozzles Aid in proper combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about critical condition of steam Latent heat is zero Specific volume of steam and liquid is same This is the maximum pressure limit Liquid directly becomes steam Latent heat is zero Specific volume of steam and liquid is same This is the maximum pressure limit Liquid directly becomes steam ANSWER DOWNLOAD EXAMIANS APP
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