Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Regulate flow of boiler water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Recirculate unwanted feed water Check level of water in boiler drum Regulate flow of boiler water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Recirculate unwanted feed water Check level of water in boiler drum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers The flames and hot gases pass through the tubes which are surrounded by water None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place 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 0.4 0.25 0.8 0.5 0.4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Chimney Smoke meter Precipitator Induced draft fan Chimney Smoke meter Precipitator Induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon The power required and working pressure The geographical position of the power house The fuel and water available All of these The power required and working pressure The geographical position of the power house The fuel and water available All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Stage efficiency Internal efficiency None of these Rankine efficiency Stage efficiency Internal efficiency None of these Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
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