Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Only fixed blades Fixed and moving blades of different shape Only moving blades Identical fixed and moving blades Only fixed blades Fixed and moving blades of different shape Only moving blades Identical fixed and moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Take care of failure in shear Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Provide support for boiler Take care of failure in shear Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Provide support for boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 225.65 kgf/ cm² 1 kgf/ cm² 273 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² 1 kgf/ cm² 273 kgf/ cm² 100 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 180° 270° 60° 90° 180° 270° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
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