Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 17 kg/cm² 1 kg/cm 100 kg/cm² 6 kg/cm 17 kg/cm² 1 kg/cm 100 kg/cm² 6 kg/cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The forced circulation of water does not take place in Benson boiler LaMont boiler Velox boiler Lancashire boiler Benson boiler LaMont boiler Velox boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 250 bar 150 bar 100 bar 200 bar 250 bar 150 bar 100 bar 200 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Less than wet bulb temperature of flue gases Below dew point temperature of flue gases 100°C Above dew point temperature of flue gases Less than wet bulb temperature of flue gases Below dew point temperature of flue gases 100°C Above dew point temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required to convert CO into CO₂ Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required for optimum combustion so as to have reasonable excess air Air required to convert CO into CO₂ Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required for optimum combustion so as to have reasonable excess air ANSWER DOWNLOAD EXAMIANS APP
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