Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁. p₂ p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ p₂/p₁ p₁ + p₂ p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at atmospheric condition And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at atmospheric condition And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at the same pressure at which feed water is supplied ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Higher than Lower than None of these Equal to Higher than Lower than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 40 atmospheres 30 atmospheres 10 atmospheres 20 atmospheres 40 atmospheres 30 atmospheres 10 atmospheres 20 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for More calorific value Better burning Less radiation loss Medium sized units More calorific value Better burning Less radiation loss Medium sized units ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature Leakage Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
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