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. Equal to None of these Higher than Lower than Equal to None of these Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing exhaust pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing exhaust pressure Increasing the expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Internal efficiency Stage efficiency Rankine efficiency Reheat factor Internal efficiency Stage efficiency Rankine efficiency Reheat factor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum steam pressure in a Locomotive boiler is limited to 18 MN/m² 0.18 MN/m² 180 MN/m² 1.8 MN/m² 18 MN/m² 0.18 MN/m² 180 MN/m² 1.8 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to 421 kg.m 421 kg.m 539 kg.m 102 kg.m 421 kg.m 421 kg.m 539 kg.m 102 kg.m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Remain unaffected Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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