Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance It is not possible to achieve 0°K temperature Frictional losses Leakage Non availability of ideal substance It is not possible to achieve 0°K temperature Frictional losses Leakage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will Cool down Boil Remain as it was Flash i.e. get converted into steam Cool down Boil Remain as it was Flash i.e. get converted into steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 950-1100°C 500-600°C 700-850°C Atmospheric temperature 950-1100°C 500-600°C 700-850°C Atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam pressure remains constant Steam temperature remains constant Steam enthalpy remains constant Steam entropy remains constant Steam pressure remains constant Steam temperature remains constant Steam enthalpy remains constant Steam entropy remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Pressure drop across the rotor Both (A) and (B) None of these Change in axial velocity Pressure drop across the rotor Both (A) and (B) None of these Change in axial velocity ANSWER DOWNLOAD EXAMIANS APP
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