Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Natural circulation boiler Externally fired boiler Forced circulation boiler Internally fired boiler Natural circulation boiler Externally fired boiler Forced circulation boiler Internally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a Convergent nozzle None of these Divergent nozzle Convergent-divergent nozzle Convergent nozzle None of these Divergent nozzle Convergent-divergent nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Scotch marine boiler are Inclined None of the listed here Horizontal Vertical Inclined None of the listed here Horizontal Vertical ANSWER DOWNLOAD EXAMIANS APP
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 Check level of water in boiler drum Recirculate unwanted feed water Regulate flow of boiler water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Check level of water in boiler drum Recirculate unwanted feed water 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 ratio of heat utilized to produce steam and the heat liberated in furnace is known as Boiler efficiency Boiler evaporative capacity Factor of evaporation Boiler effectiveness Boiler efficiency Boiler evaporative capacity Factor of evaporation Boiler effectiveness ANSWER DOWNLOAD EXAMIANS APP
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