Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) None of the listed here ηS = ηN / ηB ηS = ηB / ηN ηS = ηB × ηN None of the listed here ηS = ηN / ηB ηS = ηB / ηN ηS = ηB × ηN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool Clean the nozzles ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks None of these 0° to each other 90° to each other 180° to each other None of these 0° to each other 90° to each other 180° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to All of these Reduce speed of rotor Reduce exit losses Improve efficiency All of these Reduce speed of rotor Reduce exit losses Improve efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 17 MN/m² 0.17 MN/m² 1.7 MN/m² 170 MN/m² 17 MN/m² 0.17 MN/m² 1.7 MN/m² 170 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the chimney is called Induced steam jet draught None of these Chimney draught Forced steam jet draught Induced steam jet draught None of these Chimney draught Forced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
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