Steam Boilers, Engines, Nozzles and Turbines In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts. and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is 0.25 0.5 0.8 0.4 0.25 0.5 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a Slow speed engine None of the listed here High speed steam engine Medium speed steam engine Slow speed engine None of the listed here High speed steam engine Medium speed steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Moisture in fuel Steam formation Unburnt carbon Dry flue gases Moisture in fuel Steam formation Unburnt carbon Dry flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Cavitation of boiler feed pumps pH value of water Corrosion caused by oxygen Heat transfer coefficient Cavitation of boiler feed pumps pH value of water Corrosion caused by oxygen Heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A boiler in India should conform to safety regulations of IBR BS DIN ASTM IBR BS DIN ASTM ANSWER DOWNLOAD EXAMIANS APP