Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Greater than unity Less than unity Equal to unity None of these Greater than unity Less than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is 1 0.2 0.8 0.6 1 0.2 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Heat transfer coefficient pH value of water Cavitation of boiler feed pumps Corrosion caused by oxygen Heat transfer coefficient pH value of water Cavitation of boiler feed pumps Corrosion caused by oxygen ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value (1 + moisture content) 1 + moisture content (1- moisture content) 1 – moisture content (1 + moisture content) 1 + moisture content (1- moisture content) 1 – moisture content ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam engine operates on Brayton cycle Joule cycle Carnot cycle Stirling cycle Brayton cycle Joule cycle Carnot cycle Stirling cycle ANSWER DOWNLOAD EXAMIANS APP
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