Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Temperature only Dryness fraction only Pressure only Pressure and dryness fraction Temperature only Dryness fraction only Pressure only Pressure and dryness fraction ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Both (A) and (B) Final pressure of steam leaving the nozzle Area of nozzle at throat Initial pressure and volume of steam Both (A) and (B) Final pressure of steam leaving the nozzle Area of nozzle at throat Initial pressure and volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. None of these Equal to Lower than Higher than None of these Equal to Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat utilized to produce steam and the heat liberated in furnace is known as Boiler evaporative capacity Factor of evaporation Boiler effectiveness Boiler efficiency Boiler evaporative capacity Factor of evaporation Boiler effectiveness Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
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 0.8 0.5 0.25 0.4 0.8 0.5 0.25 0.4 ANSWER DOWNLOAD EXAMIANS APP
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