Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and thickness Outside diameter and inside diameter Inside diameter and thickness Mean diameter and thickness Outside diameter and thickness Outside diameter and inside diameter Inside diameter and thickness Mean diameter and thickness ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Throat and exit All of these Inlet and outlet Inlet and throat Throat and exit All of these Inlet and outlet Inlet and throat ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 79 m/s 188 m/s 450 m/s 900 m/s 79 m/s 188 m/s 450 m/s 900 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Rankine cycle Carnot cycle Joule cycle Stirling cycle Rankine cycle Carnot cycle Joule cycle Stirling cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Transport and dry the coal Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
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